Home / 69,766,753.60-104,712,338.40-40,976,891.20

Finding the Fourth Proportional to 69,766,753.60, 104,712,338.40 and 40,976,891.20

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Solution

The fourth proportional to 69,766,753.60, 104,712,338.40 and 40,976,891.20 is: 61,501,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,766,753.60 : 104,712,338.40 = 40,976,891.20 : x
  2. Step 2: Convert to fraction form
    69,766,753.60/104,712,338.40 = 40,976,891.20/x
  3. Step 3: Cross multiply
    69,766,753.60x = 104,712,338.40 × 40,976,891.20
  4. Step 4: Simplify right side
    69,766,753.60x = 4,290,786,097,914,382.50
  5. Step 5: Solve for x
    x = 4,290,786,097,914,382.50/69,766,753.60
  6. Step 6: Final answer
    x = 61,501,874.12

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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.