Home / 88,587,078.40-132,880,617.60-57,976,076.80

Finding the Fourth Proportional to 88,587,078.40, 132,880,617.60 and 57,976,076.80

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Solution

The fourth proportional to 88,587,078.40, 132,880,617.60 and 57,976,076.80 is: 86,964,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,587,078.40 : 132,880,617.60 = 57,976,076.80 : x
  2. Step 2: Convert to fraction form
    88,587,078.40/132,880,617.60 = 57,976,076.80/x
  3. Step 3: Cross multiply
    88,587,078.40x = 132,880,617.60 × 57,976,076.80
  4. Step 4: Simplify right side
    88,587,078.40x = 7,703,896,891,209,031
  5. Step 5: Solve for x
    x = 7,703,896,891,209,031/88,587,078.40
  6. Step 6: Final answer
    x = 86,964,115.20

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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.