Home / 48,571,490.43-72,836,496.99-28,115,329.86

Finding the Fourth Proportional to 48,571,490.43, 72,836,496.99 and 28,115,329.86

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Solution

The fourth proportional to 48,571,490.43, 72,836,496.99 and 28,115,329.86 is: 42,160,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,571,490.43 : 72,836,496.99 = 28,115,329.86 : x
  2. Step 2: Convert to fraction form
    48,571,490.43/72,836,496.99 = 28,115,329.86/x
  3. Step 3: Cross multiply
    48,571,490.43x = 72,836,496.99 × 28,115,329.86
  4. Step 4: Simplify right side
    48,571,490.43x = 2,047,822,138,720,747
  5. Step 5: Solve for x
    x = 2,047,822,138,720,747/48,571,490.43
  6. Step 6: Final answer
    x = 42,160,990.34

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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.