Home / 72,581,892.80-108,872,839.20-48,395,422.40

Finding the Fourth Proportional to 72,581,892.80, 108,872,839.20 and 48,395,422.40

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Solution

The fourth proportional to 72,581,892.80, 108,872,839.20 and 48,395,422.40 is: 72,593,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,892.80 : 108,872,839.20 = 48,395,422.40 : x
  2. Step 2: Convert to fraction form
    72,581,892.80/108,872,839.20 = 48,395,422.40/x
  3. Step 3: Cross multiply
    72,581,892.80x = 108,872,839.20 × 48,395,422.40
  4. Step 4: Simplify right side
    72,581,892.80x = 5,268,947,040,971,278
  5. Step 5: Solve for x
    x = 5,268,947,040,971,278/72,581,892.80
  6. Step 6: Final answer
    x = 72,593,133.60

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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.