Home / 87,636,000.20-131,454,000.30-57,178,963.40

Finding the Fourth Proportional to 87,636,000.20, 131,454,000.30 and 57,178,963.40

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Solution

The fourth proportional to 87,636,000.20, 131,454,000.30 and 57,178,963.40 is: 85,768,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,636,000.20 : 131,454,000.30 = 57,178,963.40 : x
  2. Step 2: Convert to fraction form
    87,636,000.20/131,454,000.30 = 57,178,963.40/x
  3. Step 3: Cross multiply
    87,636,000.20x = 131,454,000.30 × 57,178,963.40
  4. Step 4: Simplify right side
    87,636,000.20x = 7,516,403,471,937,289
  5. Step 5: Solve for x
    x = 7,516,403,471,937,289/87,636,000.20
  6. Step 6: Final answer
    x = 85,768,445.10

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1.5x scale

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.