Home / 105,957,275.07-146,188,176.60-61,872,472.65

Finding the Fourth Proportional to 105,957,275.07, 146,188,176.60 and 61,872,472.65

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Solution

The fourth proportional to 105,957,275.07, 146,188,176.60 and 61,872,472.65 is: 85,364,822.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,957,275.07 : 146,188,176.60 = 61,872,472.65 : x
  2. Step 2: Convert to fraction form
    105,957,275.07/146,188,176.60 = 61,872,472.65/x
  3. Step 3: Cross multiply
    105,957,275.07x = 146,188,176.60 × 61,872,472.65
  4. Step 4: Simplify right side
    105,957,275.07x = 9,045,023,958,436,870
  5. Step 5: Solve for x
    x = 9,045,023,958,436,870/105,957,275.07
  6. Step 6: Final answer
    x = 85,364,822.31

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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.