Home / 102,458,648.79-141,392,512.59-55,415,774.79

Finding the Fourth Proportional to 102,458,648.79, 141,392,512.59 and 55,415,774.79

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Solution

The fourth proportional to 102,458,648.79, 141,392,512.59 and 55,415,774.79 is: 76,473,540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,458,648.79 : 141,392,512.59 = 55,415,774.79 : x
  2. Step 2: Convert to fraction form
    102,458,648.79/141,392,512.59 = 55,415,774.79/x
  3. Step 3: Cross multiply
    102,458,648.79x = 141,392,512.59 × 55,415,774.79
  4. Step 4: Simplify right side
    102,458,648.79x = 7,835,375,634,679,680
  5. Step 5: Solve for x
    x = 7,835,375,634,679,680/102,458,648.79
  6. Step 6: Final answer
    x = 76,473,540.57

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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.