Home / 524,925,045.20-787,383,420.60-136,747,125.20

Finding the Fourth Proportional to 524,925,045.20, 787,383,420.60 and 136,747,125.20

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Solution

The fourth proportional to 524,925,045.20, 787,383,420.60 and 136,747,125.20 is: 205,119,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,925,045.20 : 787,383,420.60 = 136,747,125.20 : x
  2. Step 2: Convert to fraction form
    524,925,045.20/787,383,420.60 = 136,747,125.20/x
  3. Step 3: Cross multiply
    524,925,045.20x = 787,383,420.60 × 136,747,125.20
  4. Step 4: Simplify right side
    524,925,045.20x = 107,672,419,197,192,448
  5. Step 5: Solve for x
    x = 107,672,419,197,192,448/524,925,045.20
  6. Step 6: Final answer
    x = 205,119,607.42

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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.