Home / 89,289,688.56-123,233,234.40-54,502,545.12

Finding the Fourth Proportional to 89,289,688.56, 123,233,234.40 and 54,502,545.12

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Solution

The fourth proportional to 89,289,688.56, 123,233,234.40 and 54,502,545.12 is: 75,221,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,289,688.56 : 123,233,234.40 = 54,502,545.12 : x
  2. Step 2: Convert to fraction form
    89,289,688.56/123,233,234.40 = 54,502,545.12/x
  3. Step 3: Cross multiply
    89,289,688.56x = 123,233,234.40 × 54,502,545.12
  4. Step 4: Simplify right side
    89,289,688.56x = 6,716,524,918,169,536
  5. Step 5: Solve for x
    x = 6,716,524,918,169,536/89,289,688.56
  6. Step 6: Final answer
    x = 75,221,730.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.