Home / 74,642,766.40-111,964,149.60-61,888,182.40

Finding the Fourth Proportional to 74,642,766.40, 111,964,149.60 and 61,888,182.40

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Solution

The fourth proportional to 74,642,766.40, 111,964,149.60 and 61,888,182.40 is: 92,832,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,642,766.40 : 111,964,149.60 = 61,888,182.40 : x
  2. Step 2: Convert to fraction form
    74,642,766.40/111,964,149.60 = 61,888,182.40/x
  3. Step 3: Cross multiply
    74,642,766.40x = 111,964,149.60 × 61,888,182.40
  4. Step 4: Simplify right side
    74,642,766.40x = 6,929,257,712,705,687
  5. Step 5: Solve for x
    x = 6,929,257,712,705,687/74,642,766.40
  6. Step 6: Final answer
    x = 92,832,273.60

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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.