Home / 120,963,465,656.40-181,445,198,484.60-79,169,244,805.20

Finding the Fourth Proportional to 120,963,465,656.40, 181,445,198,484.60 and 79,169,244,805.20

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Solution

The fourth proportional to 120,963,465,656.40, 181,445,198,484.60 and 79,169,244,805.20 is: 118,753,867,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,963,465,656.40 : 181,445,198,484.60 = 79,169,244,805.20 : x
  2. Step 2: Convert to fraction form
    120,963,465,656.40/181,445,198,484.60 = 79,169,244,805.20/x
  3. Step 3: Cross multiply
    120,963,465,656.40x = 181,445,198,484.60 × 79,169,244,805.20
  4. Step 4: Simplify right side
    120,963,465,656.40x = 14,364,879,337,555,400,589,312
  5. Step 5: Solve for x
    x = 14,364,879,337,555,400,589,312/120,963,465,656.40
  6. Step 6: Final answer
    x = 118,753,867,207.80

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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.