Home / 88,001,863.20-132,201,860.40-61,128,007.20

Finding the Fourth Proportional to 88,001,863.20, 132,201,860.40 and 61,128,007.20

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Solution

The fourth proportional to 88,001,863.20, 132,201,860.40 and 61,128,007.20 is: 91,830,286.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,001,863.20 : 132,201,860.40 = 61,128,007.20 : x
  2. Step 2: Convert to fraction form
    88,001,863.20/132,201,860.40 = 61,128,007.20/x
  3. Step 3: Cross multiply
    88,001,863.20x = 132,201,860.40 × 61,128,007.20
  4. Step 4: Simplify right side
    88,001,863.20x = 8,081,236,274,384,596
  5. Step 5: Solve for x
    x = 8,081,236,274,384,596/88,001,863.20
  6. Step 6: Final answer
    x = 91,830,286.09

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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.