Home / 99,010,834.20-148,516,251.30-90,500,779.80

Finding the Fourth Proportional to 99,010,834.20, 148,516,251.30 and 90,500,779.80

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Solution

The fourth proportional to 99,010,834.20, 148,516,251.30 and 90,500,779.80 is: 135,751,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,010,834.20 : 148,516,251.30 = 90,500,779.80 : x
  2. Step 2: Convert to fraction form
    99,010,834.20/148,516,251.30 = 90,500,779.80/x
  3. Step 3: Cross multiply
    99,010,834.20x = 148,516,251.30 × 90,500,779.80
  4. Step 4: Simplify right side
    99,010,834.20x = 13,440,836,555,622,764
  5. Step 5: Solve for x
    x = 13,440,836,555,622,764/99,010,834.20
  6. Step 6: Final answer
    x = 135,751,169.70

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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.