Home / 186,747,145.20-280,120,717.80-89,679,446.55

Finding the Fourth Proportional to 186,747,145.20, 280,120,717.80 and 89,679,446.55

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Solution

The fourth proportional to 186,747,145.20, 280,120,717.80 and 89,679,446.55 is: 134,519,169.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,747,145.20 : 280,120,717.80 = 89,679,446.55 : x
  2. Step 2: Convert to fraction form
    186,747,145.20/280,120,717.80 = 89,679,446.55/x
  3. Step 3: Cross multiply
    186,747,145.20x = 280,120,717.80 × 89,679,446.55
  4. Step 4: Simplify right side
    186,747,145.20x = 25,121,070,939,492,732
  5. Step 5: Solve for x
    x = 25,121,070,939,492,732/186,747,145.20
  6. Step 6: Final answer
    x = 134,519,169.83

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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.