Home / 252,218,510.48-378,339,040.92-77,328,961.04

Finding the Fourth Proportional to 252,218,510.48, 378,339,040.92 and 77,328,961.04

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Solution

The fourth proportional to 252,218,510.48, 378,339,040.92 and 77,328,961.04 is: 115,996,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,218,510.48 : 378,339,040.92 = 77,328,961.04 : x
  2. Step 2: Convert to fraction form
    252,218,510.48/378,339,040.92 = 77,328,961.04/x
  3. Step 3: Cross multiply
    252,218,510.48x = 378,339,040.92 × 77,328,961.04
  4. Step 4: Simplify right side
    252,218,510.48x = 29,256,564,955,213,648
  5. Step 5: Solve for x
    x = 29,256,564,955,213,648/252,218,510.48
  6. Step 6: Final answer
    x = 115,996,898.48

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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.