Home / 81,277,400.72-112,163,106.64-44,107,672.91

Finding the Fourth Proportional to 81,277,400.72, 112,163,106.64 and 44,107,672.91

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Solution

The fourth proportional to 81,277,400.72, 112,163,106.64 and 44,107,672.91 is: 60,868,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,277,400.72 : 112,163,106.64 = 44,107,672.91 : x
  2. Step 2: Convert to fraction form
    81,277,400.72/112,163,106.64 = 44,107,672.91/x
  3. Step 3: Cross multiply
    81,277,400.72x = 112,163,106.64 × 44,107,672.91
  4. Step 4: Simplify right side
    81,277,400.72x = 4,947,253,620,416,708
  5. Step 5: Solve for x
    x = 4,947,253,620,416,708/81,277,400.72
  6. Step 6: Final answer
    x = 60,868,747.98

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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.