Home / 84,251,926.65-126,377,889.98-38,902,294.65

Finding the Fourth Proportional to 84,251,926.65, 126,377,889.98 and 38,902,294.65

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Solution

The fourth proportional to 84,251,926.65, 126,377,889.98 and 38,902,294.65 is: 58,353,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251,926.65 : 126,377,889.98 = 38,902,294.65 : x
  2. Step 2: Convert to fraction form
    84,251,926.65/126,377,889.98 = 38,902,294.65/x
  3. Step 3: Cross multiply
    84,251,926.65x = 126,377,889.98 × 38,902,294.65
  4. Step 4: Simplify right side
    84,251,926.65x = 4,916,389,913,052,731
  5. Step 5: Solve for x
    x = 4,916,389,913,052,731/84,251,926.65
  6. Step 6: Final answer
    x = 58,353,441.98

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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.