Home / 154,176,532.98-231,278,393.16-43,513,188.72

Finding the Fourth Proportional to 154,176,532.98, 231,278,393.16 and 43,513,188.72

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Solution

The fourth proportional to 154,176,532.98, 231,278,393.16 and 43,513,188.72 is: 65,273,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,176,532.98 : 231,278,393.16 = 43,513,188.72 : x
  2. Step 2: Convert to fraction form
    154,176,532.98/231,278,393.16 = 43,513,188.72/x
  3. Step 3: Cross multiply
    154,176,532.98x = 231,278,393.16 × 43,513,188.72
  4. Step 4: Simplify right side
    154,176,532.98x = 10,063,660,368,429,436
  5. Step 5: Solve for x
    x = 10,063,660,368,429,436/154,176,532.98
  6. Step 6: Final answer
    x = 65,273,619.62

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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.