Home / 72,758,768.40-109,153,315.80-24,251,691.60

Finding the Fourth Proportional to 72,758,768.40, 109,153,315.80 and 24,251,691.60

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Solution

The fourth proportional to 72,758,768.40, 109,153,315.80 and 24,251,691.60 is: 36,382,591.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,758,768.40 : 109,153,315.80 = 24,251,691.60 : x
  2. Step 2: Convert to fraction form
    72,758,768.40/109,153,315.80 = 24,251,691.60/x
  3. Step 3: Cross multiply
    72,758,768.40x = 109,153,315.80 × 24,251,691.60
  4. Step 4: Simplify right side
    72,758,768.40x = 2,647,152,551,899,007.50
  5. Step 5: Solve for x
    x = 2,647,152,551,899,007.50/72,758,768.40
  6. Step 6: Final answer
    x = 36,382,591.54

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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.