Home / 245,468,981.30-368,194,503.76-72,941,310.78

Finding the Fourth Proportional to 245,468,981.30, 368,194,503.76 and 72,941,310.78

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Solution

The fourth proportional to 245,468,981.30, 368,194,503.76 and 72,941,310.78 is: 109,409,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,468,981.30 : 368,194,503.76 = 72,941,310.78 : x
  2. Step 2: Convert to fraction form
    245,468,981.30/368,194,503.76 = 72,941,310.78/x
  3. Step 3: Cross multiply
    245,468,981.30x = 368,194,503.76 × 72,941,310.78
  4. Step 4: Simplify right side
    245,468,981.30x = 26,856,589,726,246,040
  5. Step 5: Solve for x
    x = 26,856,589,726,246,040/245,468,981.30
  6. Step 6: Final answer
    x = 109,409,301.26

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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.