Home / 87,403,857.60-131,105,786.40-29,877,009.60

Finding the Fourth Proportional to 87,403,857.60, 131,105,786.40 and 29,877,009.60

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Solution

The fourth proportional to 87,403,857.60, 131,105,786.40 and 29,877,009.60 is: 44,815,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,403,857.60 : 131,105,786.40 = 29,877,009.60 : x
  2. Step 2: Convert to fraction form
    87,403,857.60/131,105,786.40 = 29,877,009.60/x
  3. Step 3: Cross multiply
    87,403,857.60x = 131,105,786.40 × 29,877,009.60
  4. Step 4: Simplify right side
    87,403,857.60x = 3,917,048,838,888,350
  5. Step 5: Solve for x
    x = 3,917,048,838,888,350/87,403,857.60
  6. Step 6: Final answer
    x = 44,815,514.40

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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.