Home / 140,423,082.09-193,766,874.40-80,903,849.75

Finding the Fourth Proportional to 140,423,082.09, 193,766,874.40 and 80,903,849.75

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Solution

The fourth proportional to 140,423,082.09, 193,766,874.40 and 80,903,849.75 is: 111,637,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,423,082.09 : 193,766,874.40 = 80,903,849.75 : x
  2. Step 2: Convert to fraction form
    140,423,082.09/193,766,874.40 = 80,903,849.75/x
  3. Step 3: Cross multiply
    140,423,082.09x = 193,766,874.40 × 80,903,849.75
  4. Step 4: Simplify right side
    140,423,082.09x = 15,676,486,092,984,722
  5. Step 5: Solve for x
    x = 15,676,486,092,984,722/140,423,082.09
  6. Step 6: Final answer
    x = 111,637,530.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.