Home / 141,479,151.88-212,218,714.14-39,243,193.96

Finding the Fourth Proportional to 141,479,151.88, 212,218,714.14 and 39,243,193.96

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Solution

The fourth proportional to 141,479,151.88, 212,218,714.14 and 39,243,193.96 is: 58,864,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,479,151.88 : 212,218,714.14 = 39,243,193.96 : x
  2. Step 2: Convert to fraction form
    141,479,151.88/212,218,714.14 = 39,243,193.96/x
  3. Step 3: Cross multiply
    141,479,151.88x = 212,218,714.14 × 39,243,193.96
  4. Step 4: Simplify right side
    141,479,151.88x = 8,328,140,160,937,814
  5. Step 5: Solve for x
    x = 8,328,140,160,937,814/141,479,151.88
  6. Step 6: Final answer
    x = 58,864,787.15

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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.