Home / 99,010,820.70-148,516,231.05-90,500,766.30

Finding the Fourth Proportional to 99,010,820.70, 148,516,231.05 and 90,500,766.30

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Solution

The fourth proportional to 99,010,820.70, 148,516,231.05 and 90,500,766.30 is: 135,751,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,010,820.70 : 148,516,231.05 = 90,500,766.30 : x
  2. Step 2: Convert to fraction form
    99,010,820.70/148,516,231.05 = 90,500,766.30/x
  3. Step 3: Cross multiply
    99,010,820.70x = 148,516,231.05 × 90,500,766.30
  4. Step 4: Simplify right side
    99,010,820.70x = 13,440,832,718,012,854
  5. Step 5: Solve for x
    x = 13,440,832,718,012,854/99,010,820.70
  6. Step 6: Final answer
    x = 135,751,149.45

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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.