Home / 112,818,002.39-155,631,544.88-73,682,687.15

Finding the Fourth Proportional to 112,818,002.39, 155,631,544.88 and 73,682,687.15

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Solution

The fourth proportional to 112,818,002.39, 155,631,544.88 and 73,682,687.15 is: 101,644,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,818,002.39 : 155,631,544.88 = 73,682,687.15 : x
  2. Step 2: Convert to fraction form
    112,818,002.39/155,631,544.88 = 73,682,687.15/x
  3. Step 3: Cross multiply
    112,818,002.39x = 155,631,544.88 × 73,682,687.15
  4. Step 4: Simplify right side
    112,818,002.39x = 11,467,350,431,501,272
  5. Step 5: Solve for x
    x = 11,467,350,431,501,272/112,818,002.39
  6. Step 6: Final answer
    x = 101,644,686.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.