Home / 112,623,942.75-155,421,041.00-61,115,718.75

Finding the Fourth Proportional to 112,623,942.75, 155,421,041.00 and 61,115,718.75

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Solution

The fourth proportional to 112,623,942.75, 155,421,041.00 and 61,115,718.75 is: 84,339,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,623,942.75 : 155,421,041.00 = 61,115,718.75 : x
  2. Step 2: Convert to fraction form
    112,623,942.75/155,421,041.00 = 61,115,718.75/x
  3. Step 3: Cross multiply
    112,623,942.75x = 155,421,041.00 × 61,115,718.75
  4. Step 4: Simplify right side
    112,623,942.75x = 9,498,668,629,282,640
  5. Step 5: Solve for x
    x = 9,498,668,629,282,640/112,623,942.75
  6. Step 6: Final answer
    x = 84,339,691.88

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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.