Home / 108,915,436.80-163,373,155.20-57,771,129.60

Finding the Fourth Proportional to 108,915,436.80, 163,373,155.20 and 57,771,129.60

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Solution

The fourth proportional to 108,915,436.80, 163,373,155.20 and 57,771,129.60 is: 86,656,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,915,436.80 : 163,373,155.20 = 57,771,129.60 : x
  2. Step 2: Convert to fraction form
    108,915,436.80/163,373,155.20 = 57,771,129.60/x
  3. Step 3: Cross multiply
    108,915,436.80x = 163,373,155.20 × 57,771,129.60
  4. Step 4: Simplify right side
    108,915,436.80x = 9,438,251,722,220,114
  5. Step 5: Solve for x
    x = 9,438,251,722,220,114/108,915,436.80
  6. Step 6: Final answer
    x = 86,656,694.40

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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.