Home / 147,759,944.70-221,639,917.05-99,387,003.90

Finding the Fourth Proportional to 147,759,944.70, 221,639,917.05 and 99,387,003.90

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Solution

The fourth proportional to 147,759,944.70, 221,639,917.05 and 99,387,003.90 is: 149,080,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,759,944.70 : 221,639,917.05 = 99,387,003.90 : x
  2. Step 2: Convert to fraction form
    147,759,944.70/221,639,917.05 = 99,387,003.90/x
  3. Step 3: Cross multiply
    147,759,944.70x = 221,639,917.05 × 99,387,003.90
  4. Step 4: Simplify right side
    147,759,944.70x = 22,028,127,300,244,028
  5. Step 5: Solve for x
    x = 22,028,127,300,244,028/147,759,944.70
  6. Step 6: Final answer
    x = 149,080,505.85

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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.