Home / 54,234,908.40-81,353,024.79-15,897,197.73

Finding the Fourth Proportional to 54,234,908.40, 81,353,024.79 and 15,897,197.73

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Solution

The fourth proportional to 54,234,908.40, 81,353,024.79 and 15,897,197.73 is: 23,845,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234,908.40 : 81,353,024.79 = 15,897,197.73 : x
  2. Step 2: Convert to fraction form
    54,234,908.40/81,353,024.79 = 15,897,197.73/x
  3. Step 3: Cross multiply
    54,234,908.40x = 81,353,024.79 × 15,897,197.73
  4. Step 4: Simplify right side
    54,234,908.40x = 1,293,285,121,020,221.75
  5. Step 5: Solve for x
    x = 1,293,285,121,020,221.75/54,234,908.40
  6. Step 6: Final answer
    x = 23,845,990.69

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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.