Home / 218,676,104.80-328,018,045.20-65,324,053.60

Finding the Fourth Proportional to 218,676,104.80, 328,018,045.20 and 65,324,053.60

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Solution

The fourth proportional to 218,676,104.80, 328,018,045.20 and 65,324,053.60 is: 97,987,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,676,104.80 : 328,018,045.20 = 65,324,053.60 : x
  2. Step 2: Convert to fraction form
    218,676,104.80/328,018,045.20 = 65,324,053.60/x
  3. Step 3: Cross multiply
    218,676,104.80x = 328,018,045.20 × 65,324,053.60
  4. Step 4: Simplify right side
    218,676,104.80x = 21,427,468,366,412,024
  5. Step 5: Solve for x
    x = 21,427,468,366,412,024/218,676,104.80
  6. Step 6: Final answer
    x = 97,987,241.84

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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.