Home / 215,635,332.60-323,452,998.90-192,344,657.40

Finding the Fourth Proportional to 215,635,332.60, 323,452,998.90 and 192,344,657.40

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Solution

The fourth proportional to 215,635,332.60, 323,452,998.90 and 192,344,657.40 is: 288,516,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,635,332.60 : 323,452,998.90 = 192,344,657.40 : x
  2. Step 2: Convert to fraction form
    215,635,332.60/323,452,998.90 = 192,344,657.40/x
  3. Step 3: Cross multiply
    215,635,332.60x = 323,452,998.90 × 192,344,657.40
  4. Step 4: Simplify right side
    215,635,332.60x = 62,214,456,258,423,072
  5. Step 5: Solve for x
    x = 62,214,456,258,423,072/215,635,332.60
  6. Step 6: Final answer
    x = 288,516,986.10

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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.