Home / 86,916,175.20-130,390,009.20-43,676,560.80

Finding the Fourth Proportional to 86,916,175.20, 130,390,009.20 and 43,676,560.80

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Solution

The fourth proportional to 86,916,175.20, 130,390,009.20 and 43,676,560.80 is: 65,522,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,916,175.20 : 130,390,009.20 = 43,676,560.80 : x
  2. Step 2: Convert to fraction form
    86,916,175.20/130,390,009.20 = 43,676,560.80/x
  3. Step 3: Cross multiply
    86,916,175.20x = 130,390,009.20 × 43,676,560.80
  4. Step 4: Simplify right side
    86,916,175.20x = 5,694,987,164,536,359
  5. Step 5: Solve for x
    x = 5,694,987,164,536,359/86,916,175.20
  6. Step 6: Final answer
    x = 65,522,753.98

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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.