Home / 135,429,472.62-186,970,143.85-89,154,247.55

Finding the Fourth Proportional to 135,429,472.62, 186,970,143.85 and 89,154,247.55

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Solution

The fourth proportional to 135,429,472.62, 186,970,143.85 and 89,154,247.55 is: 123,083,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,429,472.62 : 186,970,143.85 = 89,154,247.55 : x
  2. Step 2: Convert to fraction form
    135,429,472.62/186,970,143.85 = 89,154,247.55/x
  3. Step 3: Cross multiply
    135,429,472.62x = 186,970,143.85 × 89,154,247.55
  4. Step 4: Simplify right side
    135,429,472.62x = 16,669,182,488,104,274
  5. Step 5: Solve for x
    x = 16,669,182,488,104,274/135,429,472.62
  6. Step 6: Final answer
    x = 123,083,861.77

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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.