Home / 218,791,235.94-328,186,825.20-89,398,712.28

Finding the Fourth Proportional to 218,791,235.94, 328,186,825.20 and 89,398,712.28

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Solution

The fourth proportional to 218,791,235.94, 328,186,825.20 and 89,398,712.28 is: 134,098,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,791,235.94 : 328,186,825.20 = 89,398,712.28 : x
  2. Step 2: Convert to fraction form
    218,791,235.94/328,186,825.20 = 89,398,712.28/x
  3. Step 3: Cross multiply
    218,791,235.94x = 328,186,825.20 × 89,398,712.28
  4. Step 4: Simplify right side
    218,791,235.94x = 29,339,479,560,141,452
  5. Step 5: Solve for x
    x = 29,339,479,560,141,452/218,791,235.94
  6. Step 6: Final answer
    x = 134,098,056.69

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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.