Home / 218,815,348.52-328,246,009.67-71,274,406.14

Finding the Fourth Proportional to 218,815,348.52, 328,246,009.67 and 71,274,406.14

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Solution

The fourth proportional to 218,815,348.52, 328,246,009.67 and 71,274,406.14 is: 106,919,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,815,348.52 : 328,246,009.67 = 71,274,406.14 : x
  2. Step 2: Convert to fraction form
    218,815,348.52/328,246,009.67 = 71,274,406.14/x
  3. Step 3: Cross multiply
    218,815,348.52x = 328,246,009.67 × 71,274,406.14
  4. Step 4: Simplify right side
    218,815,348.52x = 23,395,539,407,232,136
  5. Step 5: Solve for x
    x = 23,395,539,407,232,136/218,815,348.52
  6. Step 6: Final answer
    x = 106,919,096.70

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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.