Home / 154,176,531.98-231,278,391.66-43,513,187.72

Finding the Fourth Proportional to 154,176,531.98, 231,278,391.66 and 43,513,187.72

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Solution

The fourth proportional to 154,176,531.98, 231,278,391.66 and 43,513,187.72 is: 65,273,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,176,531.98 : 231,278,391.66 = 43,513,187.72 : x
  2. Step 2: Convert to fraction form
    154,176,531.98/231,278,391.66 = 43,513,187.72/x
  3. Step 3: Cross multiply
    154,176,531.98x = 231,278,391.66 × 43,513,187.72
  4. Step 4: Simplify right side
    154,176,531.98x = 10,063,660,071,881,262
  5. Step 5: Solve for x
    x = 10,063,660,071,881,262/154,176,531.98
  6. Step 6: Final answer
    x = 65,273,618.12

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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.