Home / 87,366,905.90-131,050,358.85-53,354,681.90

Finding the Fourth Proportional to 87,366,905.90, 131,050,358.85 and 53,354,681.90

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Solution

The fourth proportional to 87,366,905.90, 131,050,358.85 and 53,354,681.90 is: 80,032,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,366,905.90 : 131,050,358.85 = 53,354,681.90 : x
  2. Step 2: Convert to fraction form
    87,366,905.90/131,050,358.85 = 53,354,681.90/x
  3. Step 3: Cross multiply
    87,366,905.90x = 131,050,358.85 × 53,354,681.90
  4. Step 4: Simplify right side
    87,366,905.90x = 6,992,150,209,322,599
  5. Step 5: Solve for x
    x = 6,992,150,209,322,599/87,366,905.90
  6. Step 6: Final answer
    x = 80,032,022.85

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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.