Home / 50,231,011.20-69,297,597.12-31,613,141.76

Finding the Fourth Proportional to 50,231,011.20, 69,297,597.12 and 31,613,141.76

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Solution

The fourth proportional to 50,231,011.20, 69,297,597.12 and 31,613,141.76 is: 43,612,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,231,011.20 : 69,297,597.12 = 31,613,141.76 : x
  2. Step 2: Convert to fraction form
    50,231,011.20/69,297,597.12 = 31,613,141.76/x
  3. Step 3: Cross multiply
    50,231,011.20x = 69,297,597.12 × 31,613,141.76
  4. Step 4: Simplify right side
    50,231,011.20x = 2,190,714,761,381,928
  5. Step 5: Solve for x
    x = 2,190,714,761,381,928/50,231,011.20
  6. Step 6: Final answer
    x = 43,612,794.35

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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.