Home / 132,860,421.30-199,290,631.95-111,815,357.70

Finding the Fourth Proportional to 132,860,421.30, 199,290,631.95 and 111,815,357.70

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Solution

The fourth proportional to 132,860,421.30, 199,290,631.95 and 111,815,357.70 is: 167,723,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,421.30 : 199,290,631.95 = 111,815,357.70 : x
  2. Step 2: Convert to fraction form
    132,860,421.30/199,290,631.95 = 111,815,357.70/x
  3. Step 3: Cross multiply
    132,860,421.30x = 199,290,631.95 × 111,815,357.70
  4. Step 4: Simplify right side
    132,860,421.30x = 22,283,753,297,748,296
  5. Step 5: Solve for x
    x = 22,283,753,297,748,296/132,860,421.30
  6. Step 6: Final answer
    x = 167,723,036.55

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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.