Home / 140,834,434.38-211,102,553.31-47,372,433.12

Finding the Fourth Proportional to 140,834,434.38, 211,102,553.31 and 47,372,433.12

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Solution

The fourth proportional to 140,834,434.38, 211,102,553.31 and 47,372,433.12 is: 71,008,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,834,434.38 : 211,102,553.31 = 47,372,433.12 : x
  2. Step 2: Convert to fraction form
    140,834,434.38/211,102,553.31 = 47,372,433.12/x
  3. Step 3: Cross multiply
    140,834,434.38x = 211,102,553.31 × 47,372,433.12
  4. Step 4: Simplify right side
    140,834,434.38x = 10,000,441,588,139,210
  5. Step 5: Solve for x
    x = 10,000,441,588,139,210/140,834,434.38
  6. Step 6: Final answer
    x = 71,008,497.55

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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.