Home / 72,414,400.80-108,479,883.60-43,574,869.20

Finding the Fourth Proportional to 72,414,400.80, 108,479,883.60 and 43,574,869.20

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Solution

The fourth proportional to 72,414,400.80, 108,479,883.60 and 43,574,869.20 is: 65,277,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,414,400.80 : 108,479,883.60 = 43,574,869.20 : x
  2. Step 2: Convert to fraction form
    72,414,400.80/108,479,883.60 = 43,574,869.20/x
  3. Step 3: Cross multiply
    72,414,400.80x = 108,479,883.60 × 43,574,869.20
  4. Step 4: Simplify right side
    72,414,400.80x = 4,726,996,738,701,225
  5. Step 5: Solve for x
    x = 4,726,996,738,701,225/72,414,400.80
  6. Step 6: Final answer
    x = 65,277,026.21

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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.