Home / 92,261,044.40-138,391,566.60-74,345,140.40

Finding the Fourth Proportional to 92,261,044.40, 138,391,566.60 and 74,345,140.40

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Solution

The fourth proportional to 92,261,044.40, 138,391,566.60 and 74,345,140.40 is: 111,517,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,261,044.40 : 138,391,566.60 = 74,345,140.40 : x
  2. Step 2: Convert to fraction form
    92,261,044.40/138,391,566.60 = 74,345,140.40/x
  3. Step 3: Cross multiply
    92,261,044.40x = 138,391,566.60 × 74,345,140.40
  4. Step 4: Simplify right side
    92,261,044.40x = 10,288,740,449,052,952
  5. Step 5: Solve for x
    x = 10,288,740,449,052,952/92,261,044.40
  6. Step 6: Final answer
    x = 111,517,710.60

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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.