Home / 87,480,088.60-131,220,132.90-86,976,203.80

Finding the Fourth Proportional to 87,480,088.60, 131,220,132.90 and 86,976,203.80

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Solution

The fourth proportional to 87,480,088.60, 131,220,132.90 and 86,976,203.80 is: 130,464,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,088.60 : 131,220,132.90 = 86,976,203.80 : x
  2. Step 2: Convert to fraction form
    87,480,088.60/131,220,132.90 = 86,976,203.80/x
  3. Step 3: Cross multiply
    87,480,088.60x = 131,220,132.90 × 86,976,203.80
  4. Step 4: Simplify right side
    87,480,088.60x = 11,413,029,021,773,486
  5. Step 5: Solve for x
    x = 11,413,029,021,773,486/87,480,088.60
  6. Step 6: Final answer
    x = 130,464,305.70

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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.