Home / 218,979,214.92-328,426,959.42-65,625,269.40

Finding the Fourth Proportional to 218,979,214.92, 328,426,959.42 and 65,625,269.40

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Solution

The fourth proportional to 218,979,214.92, 328,426,959.42 and 65,625,269.40 is: 98,425,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,979,214.92 : 328,426,959.42 = 65,625,269.40 : x
  2. Step 2: Convert to fraction form
    218,979,214.92/328,426,959.42 = 65,625,269.40/x
  3. Step 3: Cross multiply
    218,979,214.92x = 328,426,959.42 × 65,625,269.40
  4. Step 4: Simplify right side
    218,979,214.92x = 21,553,107,690,160,368
  5. Step 5: Solve for x
    x = 21,553,107,690,160,368/218,979,214.92
  6. Step 6: Final answer
    x = 98,425,358.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.