Home / 123,654,394.67-185,440,439.91-49,859,114.42

Finding the Fourth Proportional to 123,654,394.67, 185,440,439.91 and 49,859,114.42

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Solution

The fourth proportional to 123,654,394.67, 185,440,439.91 and 49,859,114.42 is: 74,772,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,654,394.67 : 185,440,439.91 = 49,859,114.42 : x
  2. Step 2: Convert to fraction form
    123,654,394.67/185,440,439.91 = 49,859,114.42/x
  3. Step 3: Cross multiply
    123,654,394.67x = 185,440,439.91 × 49,859,114.42
  4. Step 4: Simplify right side
    123,654,394.67x = 9,245,896,112,218,396
  5. Step 5: Solve for x
    x = 9,245,896,112,218,396/123,654,394.67
  6. Step 6: Final answer
    x = 74,772,078.56

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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.