Home / 100,874,658.03-139,202,727-56,218,253.89

Finding the Fourth Proportional to 100,874,658.03, 139,202,727 and 56,218,253.89

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Solution

The fourth proportional to 100,874,658.03, 139,202,727 and 56,218,253.89 is: 77,578,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,874,658.03 : 139,202,727 = 56,218,253.89 : x
  2. Step 2: Convert to fraction form
    100,874,658.03/139,202,727 = 56,218,253.89/x
  3. Step 3: Cross multiply
    100,874,658.03x = 139,202,727 × 56,218,253.89
  4. Step 4: Simplify right side
    100,874,658.03x = 7,825,734,248,666,358
  5. Step 5: Solve for x
    x = 7,825,734,248,666,358/100,874,658.03
  6. Step 6: Final answer
    x = 77,578,793.34

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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.