Home / 186,552,123.75-279,864,052.62-71,527,695.87

Finding the Fourth Proportional to 186,552,123.75, 279,864,052.62 and 71,527,695.87

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Solution

The fourth proportional to 186,552,123.75, 279,864,052.62 and 71,527,695.87 is: 107,305,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,552,123.75 : 279,864,052.62 = 71,527,695.87 : x
  2. Step 2: Convert to fraction form
    186,552,123.75/279,864,052.62 = 71,527,695.87/x
  3. Step 3: Cross multiply
    186,552,123.75x = 279,864,052.62 × 71,527,695.87
  4. Step 4: Simplify right side
    186,552,123.75x = 20,018,030,840,749,040
  5. Step 5: Solve for x
    x = 20,018,030,840,749,040/186,552,123.75
  6. Step 6: Final answer
    x = 107,305,295.91

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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.