Home / 84,218,058.40-126,327,087.60-48,386,250.40

Finding the Fourth Proportional to 84,218,058.40, 126,327,087.60 and 48,386,250.40

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Solution

The fourth proportional to 84,218,058.40, 126,327,087.60 and 48,386,250.40 is: 72,579,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,218,058.40 : 126,327,087.60 = 48,386,250.40 : x
  2. Step 2: Convert to fraction form
    84,218,058.40/126,327,087.60 = 48,386,250.40/x
  3. Step 3: Cross multiply
    84,218,058.40x = 126,327,087.60 × 48,386,250.40
  4. Step 4: Simplify right side
    84,218,058.40x = 6,112,494,092,916,335
  5. Step 5: Solve for x
    x = 6,112,494,092,916,335/84,218,058.40
  6. Step 6: Final answer
    x = 72,579,375.60

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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.