Home / 141,858,353.40-212,787,530.10-50,991,127.80

Finding the Fourth Proportional to 141,858,353.40, 212,787,530.10 and 50,991,127.80

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Solution

The fourth proportional to 141,858,353.40, 212,787,530.10 and 50,991,127.80 is: 76,486,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,858,353.40 : 212,787,530.10 = 50,991,127.80 : x
  2. Step 2: Convert to fraction form
    141,858,353.40/212,787,530.10 = 50,991,127.80/x
  3. Step 3: Cross multiply
    141,858,353.40x = 212,787,530.10 × 50,991,127.80
  4. Step 4: Simplify right side
    141,858,353.40x = 10,850,276,141,575,446
  5. Step 5: Solve for x
    x = 10,850,276,141,575,446/141,858,353.40
  6. Step 6: Final answer
    x = 76,486,691.70

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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.