Home / 91,520,081.28-126,298,751.04-50,267,934.72

Finding the Fourth Proportional to 91,520,081.28, 126,298,751.04 and 50,267,934.72

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Solution

The fourth proportional to 91,520,081.28, 126,298,751.04 and 50,267,934.72 is: 69,370,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,520,081.28 : 126,298,751.04 = 50,267,934.72 : x
  2. Step 2: Convert to fraction form
    91,520,081.28/126,298,751.04 = 50,267,934.72/x
  3. Step 3: Cross multiply
    91,520,081.28x = 126,298,751.04 × 50,267,934.72
  4. Step 4: Simplify right side
    91,520,081.28x = 6,348,777,372,496,252
  5. Step 5: Solve for x
    x = 6,348,777,372,496,252/91,520,081.28
  6. Step 6: Final answer
    x = 69,370,320.52

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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.