Home / 358,737,094.16-538,105,648.31-86,107,861.16

Finding the Fourth Proportional to 358,737,094.16, 538,105,648.31 and 86,107,861.16

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Solution

The fourth proportional to 358,737,094.16, 538,105,648.31 and 86,107,861.16 is: 129,161,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,737,094.16 : 538,105,648.31 = 86,107,861.16 : x
  2. Step 2: Convert to fraction form
    358,737,094.16/538,105,648.31 = 86,107,861.16/x
  3. Step 3: Cross multiply
    358,737,094.16x = 538,105,648.31 × 86,107,861.16
  4. Step 4: Simplify right side
    358,737,094.16x = 46,335,126,456,335,856
  5. Step 5: Solve for x
    x = 46,335,126,456,335,856/358,737,094.16
  6. Step 6: Final answer
    x = 129,161,793.44

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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.