Home / 121,120,546.60-181,722,810.30-53,012,117.80

Finding the Fourth Proportional to 121,120,546.60, 181,722,810.30 and 53,012,117.80

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Solution

The fourth proportional to 121,120,546.60, 181,722,810.30 and 53,012,117.80 is: 79,536,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,120,546.60 : 181,722,810.30 = 53,012,117.80 : x
  2. Step 2: Convert to fraction form
    121,120,546.60/181,722,810.30 = 53,012,117.80/x
  3. Step 3: Cross multiply
    121,120,546.60x = 181,722,810.30 × 53,012,117.80
  4. Step 4: Simplify right side
    121,120,546.60x = 9,633,511,026,570,654
  5. Step 5: Solve for x
    x = 9,633,511,026,570,654/121,120,546.60
  6. Step 6: Final answer
    x = 79,536,555.08

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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.