Home / 55,578,522.76-83,375,821.32-21,025,555.72

Finding the Fourth Proportional to 55,578,522.76, 83,375,821.32 and 21,025,555.72

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Solution

The fourth proportional to 55,578,522.76, 83,375,821.32 and 21,025,555.72 is: 31,541,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578,522.76 : 83,375,821.32 = 21,025,555.72 : x
  2. Step 2: Convert to fraction form
    55,578,522.76/83,375,821.32 = 21,025,555.72/x
  3. Step 3: Cross multiply
    55,578,522.76x = 83,375,821.32 × 21,025,555.72
  4. Step 4: Simplify right side
    55,578,522.76x = 1,753,022,976,864,423.75
  5. Step 5: Solve for x
    x = 1,753,022,976,864,423.75/55,578,522.76
  6. Step 6: Final answer
    x = 31,541,374.07

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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.