Home / 132,860,830.90-199,291,246.35-120,743,976.10

Finding the Fourth Proportional to 132,860,830.90, 199,291,246.35 and 120,743,976.10

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Solution

The fourth proportional to 132,860,830.90, 199,291,246.35 and 120,743,976.10 is: 181,115,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,830.90 : 199,291,246.35 = 120,743,976.10 : x
  2. Step 2: Convert to fraction form
    132,860,830.90/199,291,246.35 = 120,743,976.10/x
  3. Step 3: Cross multiply
    132,860,830.90x = 199,291,246.35 × 120,743,976.10
  4. Step 4: Simplify right side
    132,860,830.90x = 24,063,217,486,223,612
  5. Step 5: Solve for x
    x = 24,063,217,486,223,612/132,860,830.90
  6. Step 6: Final answer
    x = 181,115,964.15

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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.