Home / 54,785,134.28-75,605,861.84-30,338,848.28

Finding the Fourth Proportional to 54,785,134.28, 75,605,861.84 and 30,338,848.28

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Solution

The fourth proportional to 54,785,134.28, 75,605,861.84 and 30,338,848.28 is: 41,868,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785,134.28 : 75,605,861.84 = 30,338,848.28 : x
  2. Step 2: Convert to fraction form
    54,785,134.28/75,605,861.84 = 30,338,848.28/x
  3. Step 3: Cross multiply
    54,785,134.28x = 75,605,861.84 × 30,338,848.28
  4. Step 4: Simplify right side
    54,785,134.28x = 2,293,794,771,479,722
  5. Step 5: Solve for x
    x = 2,293,794,771,479,722/54,785,134.28
  6. Step 6: Final answer
    x = 41,868,926.70

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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.