Home / 218,355,031.73-327,423,022.64-72,737,398.37

Finding the Fourth Proportional to 218,355,031.73, 327,423,022.64 and 72,737,398.37

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Solution

The fourth proportional to 218,355,031.73, 327,423,022.64 and 72,737,398.37 is: 109,069,613.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,355,031.73 : 327,423,022.64 = 72,737,398.37 : x
  2. Step 2: Convert to fraction form
    218,355,031.73/327,423,022.64 = 72,737,398.37/x
  3. Step 3: Cross multiply
    218,355,031.73x = 327,423,022.64 × 72,737,398.37
  4. Step 4: Simplify right side
    218,355,031.73x = 23,815,898,834,002,848
  5. Step 5: Solve for x
    x = 23,815,898,834,002,848/218,355,031.73
  6. Step 6: Final answer
    x = 109,069,613.12

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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.