Home / 121,922,717.52-182,915,947.08-70,755,548.88

Finding the Fourth Proportional to 121,922,717.52, 182,915,947.08 and 70,755,548.88

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Solution

The fourth proportional to 121,922,717.52, 182,915,947.08 and 70,755,548.88 is: 106,151,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,922,717.52 : 182,915,947.08 = 70,755,548.88 : x
  2. Step 2: Convert to fraction form
    121,922,717.52/182,915,947.08 = 70,755,548.88/x
  3. Step 3: Cross multiply
    121,922,717.52x = 182,915,947.08 × 70,755,548.88
  4. Step 4: Simplify right side
    121,922,717.52x = 12,942,318,234,550,434
  5. Step 5: Solve for x
    x = 12,942,318,234,550,434/121,922,717.52
  6. Step 6: Final answer
    x = 106,151,818.94

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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.