Home / 124,768,031.10-187,164,553.05-42,876,123.90

Finding the Fourth Proportional to 124,768,031.10, 187,164,553.05 and 42,876,123.90

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Solution

The fourth proportional to 124,768,031.10, 187,164,553.05 and 42,876,123.90 is: 64,318,483.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,768,031.10 : 187,164,553.05 = 42,876,123.90 : x
  2. Step 2: Convert to fraction form
    124,768,031.10/187,164,553.05 = 42,876,123.90/x
  3. Step 3: Cross multiply
    124,768,031.10x = 187,164,553.05 × 42,876,123.90
  4. Step 4: Simplify right side
    124,768,031.10x = 8,024,890,566,259,923
  5. Step 5: Solve for x
    x = 8,024,890,566,259,923/124,768,031.10
  6. Step 6: Final answer
    x = 64,318,483.63

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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.