Home / 131,425,616.40-197,138,424.60-54,723,152.40

Finding the Fourth Proportional to 131,425,616.40, 197,138,424.60 and 54,723,152.40

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Solution

The fourth proportional to 131,425,616.40, 197,138,424.60 and 54,723,152.40 is: 82,084,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,425,616.40 : 197,138,424.60 = 54,723,152.40 : x
  2. Step 2: Convert to fraction form
    131,425,616.40/197,138,424.60 = 54,723,152.40/x
  3. Step 3: Cross multiply
    131,425,616.40x = 197,138,424.60 × 54,723,152.40
  4. Step 4: Simplify right side
    131,425,616.40x = 10,788,036,053,281,708
  5. Step 5: Solve for x
    x = 10,788,036,053,281,708/131,425,616.40
  6. Step 6: Final answer
    x = 82,084,728.60

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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.