Home / 90,153,751.84-135,235,863.52-25,452,140.88

Finding the Fourth Proportional to 90,153,751.84, 135,235,863.52 and 25,452,140.88

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Solution

The fourth proportional to 90,153,751.84, 135,235,863.52 and 25,452,140.88 is: 38,179,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,153,751.84 : 135,235,863.52 = 25,452,140.88 : x
  2. Step 2: Convert to fraction form
    90,153,751.84/135,235,863.52 = 25,452,140.88/x
  3. Step 3: Cross multiply
    90,153,751.84x = 135,235,863.52 × 25,452,140.88
  4. Step 4: Simplify right side
    90,153,751.84x = 3,442,042,250,339,493
  5. Step 5: Solve for x
    x = 3,442,042,250,339,493/90,153,751.84
  6. Step 6: Final answer
    x = 38,179,689.48

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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.