Home / 100,976,562.20-151,086,929.70-66,964,338.20

Finding the Fourth Proportional to 100,976,562.20, 151,086,929.70 and 66,964,338.20

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Solution

The fourth proportional to 100,976,562.20, 151,086,929.70 and 66,964,338.20 is: 100,195,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,976,562.20 : 151,086,929.70 = 66,964,338.20 : x
  2. Step 2: Convert to fraction form
    100,976,562.20/151,086,929.70 = 66,964,338.20/x
  3. Step 3: Cross multiply
    100,976,562.20x = 151,086,929.70 × 66,964,338.20
  4. Step 4: Simplify right side
    100,976,562.20x = 10,117,436,258,030,424
  5. Step 5: Solve for x
    x = 10,117,436,258,030,424/100,976,562.20
  6. Step 6: Final answer
    x = 100,195,887.42

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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.