Home / 87,366,985.90-131,050,478.85-53,354,761.90

Finding the Fourth Proportional to 87,366,985.90, 131,050,478.85 and 53,354,761.90

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Solution

The fourth proportional to 87,366,985.90, 131,050,478.85 and 53,354,761.90 is: 80,032,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,366,985.90 : 131,050,478.85 = 53,354,761.90 : x
  2. Step 2: Convert to fraction form
    87,366,985.90/131,050,478.85 = 53,354,761.90/x
  3. Step 3: Cross multiply
    87,366,985.90x = 131,050,478.85 × 53,354,761.90
  4. Step 4: Simplify right side
    87,366,985.90x = 6,992,167,095,922,735
  5. Step 5: Solve for x
    x = 6,992,167,095,922,735/87,366,985.90
  6. Step 6: Final answer
    x = 80,032,142.85

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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.