Home / 72,431,704.80-108,647,557.20-23,917,046.40

Finding the Fourth Proportional to 72,431,704.80, 108,647,557.20 and 23,917,046.40

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Solution

The fourth proportional to 72,431,704.80, 108,647,557.20 and 23,917,046.40 is: 35,875,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,431,704.80 : 108,647,557.20 = 23,917,046.40 : x
  2. Step 2: Convert to fraction form
    72,431,704.80/108,647,557.20 = 23,917,046.40/x
  3. Step 3: Cross multiply
    72,431,704.80x = 108,647,557.20 × 23,917,046.40
  4. Step 4: Simplify right side
    72,431,704.80x = 2,598,528,666,799,054
  5. Step 5: Solve for x
    x = 2,598,528,666,799,054/72,431,704.80
  6. Step 6: Final answer
    x = 35,875,569.60

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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.