Home / 218,791,234.44-328,186,822.95-89,398,710.78

Finding the Fourth Proportional to 218,791,234.44, 328,186,822.95 and 89,398,710.78

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Solution

The fourth proportional to 218,791,234.44, 328,186,822.95 and 89,398,710.78 is: 134,098,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,791,234.44 : 328,186,822.95 = 89,398,710.78 : x
  2. Step 2: Convert to fraction form
    218,791,234.44/328,186,822.95 = 89,398,710.78/x
  3. Step 3: Cross multiply
    218,791,234.44x = 328,186,822.95 × 89,398,710.78
  4. Step 4: Simplify right side
    218,791,234.44x = 29,339,478,866,714,116
  5. Step 5: Solve for x
    x = 29,339,478,866,714,116/218,791,234.44
  6. Step 6: Final answer
    x = 134,098,054.44

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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.