Home / 178,792,900.97-246,730,908.40-100,475,326.53

Finding the Fourth Proportional to 178,792,900.97, 246,730,908.40 and 100,475,326.53

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Solution

The fourth proportional to 178,792,900.97, 246,730,908.40 and 100,475,326.53 is: 138,654,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,792,900.97 : 246,730,908.40 = 100,475,326.53 : x
  2. Step 2: Convert to fraction form
    178,792,900.97/246,730,908.40 = 100,475,326.53/x
  3. Step 3: Cross multiply
    178,792,900.97x = 246,730,908.40 × 100,475,326.53
  4. Step 4: Simplify right side
    178,792,900.97x = 24,790,368,586,282,332
  5. Step 5: Solve for x
    x = 24,790,368,586,282,332/178,792,900.97
  6. Step 6: Final answer
    x = 138,654,098.97

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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.