Home / 137,246,587.31-205,876,502.11-45,128,285.93

Finding the Fourth Proportional to 137,246,587.31, 205,876,502.11 and 45,128,285.93

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Solution

The fourth proportional to 137,246,587.31, 205,876,502.11 and 45,128,285.93 is: 67,694,606.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,246,587.31 : 205,876,502.11 = 45,128,285.93 : x
  2. Step 2: Convert to fraction form
    137,246,587.31/205,876,502.11 = 45,128,285.93/x
  3. Step 3: Cross multiply
    137,246,587.31x = 205,876,502.11 × 45,128,285.93
  4. Step 4: Simplify right side
    137,246,587.31x = 9,290,853,654,059,430
  5. Step 5: Solve for x
    x = 9,290,853,654,059,430/137,246,587.31
  6. Step 6: Final answer
    x = 67,694,606.01

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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.