Home / 145,156,748.90-217,436,524.95-73,393,600.10

Finding the Fourth Proportional to 145,156,748.90, 217,436,524.95 and 73,393,600.10

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Solution

The fourth proportional to 145,156,748.90, 217,436,524.95 and 73,393,600.10 is: 109,939,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,748.90 : 217,436,524.95 = 73,393,600.10 : x
  2. Step 2: Convert to fraction form
    145,156,748.90/217,436,524.95 = 73,393,600.10/x
  3. Step 3: Cross multiply
    145,156,748.90x = 217,436,524.95 × 73,393,600.10
  4. Step 4: Simplify right side
    145,156,748.90x = 15,958,449,359,313,970
  5. Step 5: Solve for x
    x = 15,958,449,359,313,970/145,156,748.90
  6. Step 6: Final answer
    x = 109,939,423.97

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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.