Home / 80,592,306.42-120,912,177.65-26,003,867.88

Finding the Fourth Proportional to 80,592,306.42, 120,912,177.65 and 26,003,867.88

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Solution

The fourth proportional to 80,592,306.42, 120,912,177.65 and 26,003,867.88 is: 39,013,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592,306.42 : 120,912,177.65 = 26,003,867.88 : x
  2. Step 2: Convert to fraction form
    80,592,306.42/120,912,177.65 = 26,003,867.88/x
  3. Step 3: Cross multiply
    80,592,306.42x = 120,912,177.65 × 26,003,867.88
  4. Step 4: Simplify right side
    80,592,306.42x = 3,144,184,292,506,841
  5. Step 5: Solve for x
    x = 3,144,184,292,506,841/80,592,306.42
  6. Step 6: Final answer
    x = 39,013,454.66

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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.