Home / 147,008,914.76-220,519,457.78-43,378,118.03

Finding the Fourth Proportional to 147,008,914.76, 220,519,457.78 and 43,378,118.03

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Solution

The fourth proportional to 147,008,914.76, 220,519,457.78 and 43,378,118.03 is: 65,068,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,008,914.76 : 220,519,457.78 = 43,378,118.03 : x
  2. Step 2: Convert to fraction form
    147,008,914.76/220,519,457.78 = 43,378,118.03/x
  3. Step 3: Cross multiply
    147,008,914.76x = 220,519,457.78 × 43,378,118.03
  4. Step 4: Simplify right side
    147,008,914.76x = 9,565,719,067,826,850
  5. Step 5: Solve for x
    x = 9,565,719,067,826,850/147,008,914.76
  6. Step 6: Final answer
    x = 65,068,972.74

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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.