Home / 132,860,829.90-199,291,244.85-120,743,975.10

Finding the Fourth Proportional to 132,860,829.90, 199,291,244.85 and 120,743,975.10

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Solution

The fourth proportional to 132,860,829.90, 199,291,244.85 and 120,743,975.10 is: 181,115,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,829.90 : 199,291,244.85 = 120,743,975.10 : x
  2. Step 2: Convert to fraction form
    132,860,829.90/199,291,244.85 = 120,743,975.10/x
  3. Step 3: Cross multiply
    132,860,829.90x = 199,291,244.85 × 120,743,975.10
  4. Step 4: Simplify right side
    132,860,829.90x = 24,063,217,105,816,400
  5. Step 5: Solve for x
    x = 24,063,217,105,816,400/132,860,829.90
  6. Step 6: Final answer
    x = 181,115,962.65

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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.