Home / 140,834,705.38-211,102,958.51-47,372,703.20

Finding the Fourth Proportional to 140,834,705.38, 211,102,958.51 and 47,372,703.20

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Solution

The fourth proportional to 140,834,705.38, 211,102,958.51 and 47,372,703.20 is: 71,008,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,834,705.38 : 211,102,958.51 = 47,372,703.20 : x
  2. Step 2: Convert to fraction form
    140,834,705.38/211,102,958.51 = 47,372,703.20/x
  3. Step 3: Cross multiply
    140,834,705.38x = 211,102,958.51 × 47,372,703.20
  4. Step 4: Simplify right side
    140,834,705.38x = 10,000,517,799,267,002
  5. Step 5: Solve for x
    x = 10,000,517,799,267,002/140,834,705.38
  6. Step 6: Final answer
    x = 71,008,902.05

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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.