Home / 115,192,554.57-172,911,790.77-49,646,040.21

Finding the Fourth Proportional to 115,192,554.57, 172,911,790.77 and 49,646,040.21

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Solution

The fourth proportional to 115,192,554.57, 172,911,790.77 and 49,646,040.21 is: 74,522,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,192,554.57 : 172,911,790.77 = 49,646,040.21 : x
  2. Step 2: Convert to fraction form
    115,192,554.57/172,911,790.77 = 49,646,040.21/x
  3. Step 3: Cross multiply
    115,192,554.57x = 172,911,790.77 × 49,646,040.21
  4. Step 4: Simplify right side
    115,192,554.57x = 8,584,385,717,350,528
  5. Step 5: Solve for x
    x = 8,584,385,717,350,528/115,192,554.57
  6. Step 6: Final answer
    x = 74,522,053.53

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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.