Home / 90,196,082.66-135,300,265.31-28,789,863.89

Finding the Fourth Proportional to 90,196,082.66, 135,300,265.31 and 28,789,863.89

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Solution

The fourth proportional to 90,196,082.66, 135,300,265.31 and 28,789,863.89 is: 43,186,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,196,082.66 : 135,300,265.31 = 28,789,863.89 : x
  2. Step 2: Convert to fraction form
    90,196,082.66/135,300,265.31 = 28,789,863.89/x
  3. Step 3: Cross multiply
    90,196,082.66x = 135,300,265.31 × 28,789,863.89
  4. Step 4: Simplify right side
    90,196,082.66x = 3,895,276,221,951,262
  5. Step 5: Solve for x
    x = 3,895,276,221,951,262/90,196,082.66
  6. Step 6: Final answer
    x = 43,186,756.09

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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.