Home / 157,712,505.70-236,568,758.55-111,796,003.30

Finding the Fourth Proportional to 157,712,505.70, 236,568,758.55 and 111,796,003.30

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Solution

The fourth proportional to 157,712,505.70, 236,568,758.55 and 111,796,003.30 is: 167,694,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,712,505.70 : 236,568,758.55 = 111,796,003.30 : x
  2. Step 2: Convert to fraction form
    157,712,505.70/236,568,758.55 = 111,796,003.30/x
  3. Step 3: Cross multiply
    157,712,505.70x = 236,568,758.55 × 111,796,003.30
  4. Step 4: Simplify right side
    157,712,505.70x = 26,447,441,711,532,704
  5. Step 5: Solve for x
    x = 26,447,441,711,532,704/157,712,505.70
  6. Step 6: Final answer
    x = 167,694,004.95

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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.