Home / 74,314,132.40-111,471,198.60-66,377,946.80

Finding the Fourth Proportional to 74,314,132.40, 111,471,198.60 and 66,377,946.80

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Solution

The fourth proportional to 74,314,132.40, 111,471,198.60 and 66,377,946.80 is: 99,566,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,314,132.40 : 111,471,198.60 = 66,377,946.80 : x
  2. Step 2: Convert to fraction form
    74,314,132.40/111,471,198.60 = 66,377,946.80/x
  3. Step 3: Cross multiply
    74,314,132.40x = 111,471,198.60 × 66,377,946.80
  4. Step 4: Simplify right side
    74,314,132.40x = 7,399,229,290,403,034
  5. Step 5: Solve for x
    x = 7,399,229,290,403,034/74,314,132.40
  6. Step 6: Final answer
    x = 99,566,920.20

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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.