Home / 87,366,910.40-131,050,365.60-53,354,686.40

Finding the Fourth Proportional to 87,366,910.40, 131,050,365.60 and 53,354,686.40

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Solution

The fourth proportional to 87,366,910.40, 131,050,365.60 and 53,354,686.40 is: 80,032,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,366,910.40 : 131,050,365.60 = 53,354,686.40 : x
  2. Step 2: Convert to fraction form
    87,366,910.40/131,050,365.60 = 53,354,686.40/x
  3. Step 3: Cross multiply
    87,366,910.40x = 131,050,365.60 × 53,354,686.40
  4. Step 4: Simplify right side
    87,366,910.40x = 6,992,151,159,193,347
  5. Step 5: Solve for x
    x = 6,992,151,159,193,347/87,366,910.40
  6. Step 6: Final answer
    x = 80,032,029.60

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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.