Home / 218,901,407.20-328,352,110.80-57,359,672.80

Finding the Fourth Proportional to 218,901,407.20, 328,352,110.80 and 57,359,672.80

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Solution

The fourth proportional to 218,901,407.20, 328,352,110.80 and 57,359,672.80 is: 86,039,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,901,407.20 : 328,352,110.80 = 57,359,672.80 : x
  2. Step 2: Convert to fraction form
    218,901,407.20/328,352,110.80 = 57,359,672.80/x
  3. Step 3: Cross multiply
    218,901,407.20x = 328,352,110.80 × 57,359,672.80
  4. Step 4: Simplify right side
    218,901,407.20x = 18,834,169,638,677,344
  5. Step 5: Solve for x
    x = 18,834,169,638,677,344/218,901,407.20
  6. Step 6: Final answer
    x = 86,039,509.20

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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.