Home / 132,860,436.60-199,290,654.90-128,396,332.20

Finding the Fourth Proportional to 132,860,436.60, 199,290,654.90 and 128,396,332.20

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Solution

The fourth proportional to 132,860,436.60, 199,290,654.90 and 128,396,332.20 is: 192,594,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,436.60 : 199,290,654.90 = 128,396,332.20 : x
  2. Step 2: Convert to fraction form
    132,860,436.60/199,290,654.90 = 128,396,332.20/x
  3. Step 3: Cross multiply
    132,860,436.60x = 199,290,654.90 × 128,396,332.20
  4. Step 4: Simplify right side
    132,860,436.60x = 25,588,189,130,895,960
  5. Step 5: Solve for x
    x = 25,588,189,130,895,960/132,860,436.60
  6. Step 6: Final answer
    x = 192,594,498.30

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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.