Home / 147,278,781.96-220,882,743.54-45,043,705.32

Finding the Fourth Proportional to 147,278,781.96, 220,882,743.54 and 45,043,705.32

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Solution

The fourth proportional to 147,278,781.96, 220,882,743.54 and 45,043,705.32 is: 67,554,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,278,781.96 : 220,882,743.54 = 45,043,705.32 : x
  2. Step 2: Convert to fraction form
    147,278,781.96/220,882,743.54 = 45,043,705.32/x
  3. Step 3: Cross multiply
    147,278,781.96x = 220,882,743.54 × 45,043,705.32
  4. Step 4: Simplify right side
    147,278,781.96x = 9,949,377,211,010,014
  5. Step 5: Solve for x
    x = 9,949,377,211,010,014/147,278,781.96
  6. Step 6: Final answer
    x = 67,554,722.27

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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.