Home / 218,901,364.20-328,352,046.30-57,359,629.80

Finding the Fourth Proportional to 218,901,364.20, 328,352,046.30 and 57,359,629.80

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Solution

The fourth proportional to 218,901,364.20, 328,352,046.30 and 57,359,629.80 is: 86,039,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,901,364.20 : 328,352,046.30 = 57,359,629.80 : x
  2. Step 2: Convert to fraction form
    218,901,364.20/328,352,046.30 = 57,359,629.80/x
  3. Step 3: Cross multiply
    218,901,364.20x = 328,352,046.30 × 57,359,629.80
  4. Step 4: Simplify right side
    218,901,364.20x = 18,834,151,819,840,460
  5. Step 5: Solve for x
    x = 18,834,151,819,840,460/218,901,364.20
  6. Step 6: Final answer
    x = 86,039,444.70

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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.