Home / 282,691,775.88-424,047,111.60-78,202,726.92

Finding the Fourth Proportional to 282,691,775.88, 424,047,111.60 and 78,202,726.92

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Solution

The fourth proportional to 282,691,775.88, 424,047,111.60 and 78,202,726.92 is: 117,306,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,691,775.88 : 424,047,111.60 = 78,202,726.92 : x
  2. Step 2: Convert to fraction form
    282,691,775.88/424,047,111.60 = 78,202,726.92/x
  3. Step 3: Cross multiply
    282,691,775.88x = 424,047,111.60 × 78,202,726.92
  4. Step 4: Simplify right side
    282,691,775.88x = 33,161,640,469,669,568
  5. Step 5: Solve for x
    x = 33,161,640,469,669,568/282,691,775.88
  6. Step 6: Final answer
    x = 117,306,703.98

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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.