Home / 131,425,607.40-197,138,411.10-54,723,143.40

Finding the Fourth Proportional to 131,425,607.40, 197,138,411.10 and 54,723,143.40

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Solution

The fourth proportional to 131,425,607.40, 197,138,411.10 and 54,723,143.40 is: 82,084,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,425,607.40 : 197,138,411.10 = 54,723,143.40 : x
  2. Step 2: Convert to fraction form
    131,425,607.40/197,138,411.10 = 54,723,143.40/x
  3. Step 3: Cross multiply
    131,425,607.40x = 197,138,411.10 × 54,723,143.40
  4. Step 4: Simplify right side
    131,425,607.40x = 10,788,033,540,273,452
  5. Step 5: Solve for x
    x = 10,788,033,540,273,452/131,425,607.40
  6. Step 6: Final answer
    x = 82,084,715.10

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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.