Home / 138,896,443.96-208,324,385.40-40,501,710.16

Finding the Fourth Proportional to 138,896,443.96, 208,324,385.40 and 40,501,710.16

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Solution

The fourth proportional to 138,896,443.96, 208,324,385.40 and 40,501,710.16 is: 60,746,651.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,896,443.96 : 208,324,385.40 = 40,501,710.16 : x
  2. Step 2: Convert to fraction form
    138,896,443.96/208,324,385.40 = 40,501,710.16/x
  3. Step 3: Cross multiply
    138,896,443.96x = 208,324,385.40 × 40,501,710.16
  4. Step 4: Simplify right side
    138,896,443.96x = 8,437,493,876,730,935
  5. Step 5: Solve for x
    x = 8,437,493,876,730,935/138,896,443.96
  6. Step 6: Final answer
    x = 60,746,651.51

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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.