Home / 121,991,834,009.20-182,987,751,013.80-43,446,271,385.20

Finding the Fourth Proportional to 121,991,834,009.20, 182,987,751,013.80 and 43,446,271,385.20

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Solution

The fourth proportional to 121,991,834,009.20, 182,987,751,013.80 and 43,446,271,385.20 is: 65,169,407,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,991,834,009.20 : 182,987,751,013.80 = 43,446,271,385.20 : x
  2. Step 2: Convert to fraction form
    121,991,834,009.20/182,987,751,013.80 = 43,446,271,385.20/x
  3. Step 3: Cross multiply
    121,991,834,009.20x = 182,987,751,013.80 × 43,446,271,385.20
  4. Step 4: Simplify right side
    121,991,834,009.20x = 7,950,135,490,712,959,975,424
  5. Step 5: Solve for x
    x = 7,950,135,490,712,959,975,424/121,991,834,009.20
  6. Step 6: Final answer
    x = 65,169,407,077.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.