Home / 141,897,193.20-212,845,789.80-140,940,599.40

Finding the Fourth Proportional to 141,897,193.20, 212,845,789.80 and 140,940,599.40

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Solution

The fourth proportional to 141,897,193.20, 212,845,789.80 and 140,940,599.40 is: 211,410,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,897,193.20 : 212,845,789.80 = 140,940,599.40 : x
  2. Step 2: Convert to fraction form
    141,897,193.20/212,845,789.80 = 140,940,599.40/x
  3. Step 3: Cross multiply
    141,897,193.20x = 212,845,789.80 × 140,940,599.40
  4. Step 4: Simplify right side
    141,897,193.20x = 29,998,613,194,178,408
  5. Step 5: Solve for x
    x = 29,998,613,194,178,408/141,897,193.20
  6. Step 6: Final answer
    x = 211,410,899.10

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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.