Home / 225,971,631.60-338,503,720.68-191,279,474.16

Finding the Fourth Proportional to 225,971,631.60, 338,503,720.68 and 191,279,474.16

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Solution

The fourth proportional to 225,971,631.60, 338,503,720.68 and 191,279,474.16 is: 286,535,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,971,631.60 : 338,503,720.68 = 191,279,474.16 : x
  2. Step 2: Convert to fraction form
    225,971,631.60/338,503,720.68 = 191,279,474.16/x
  3. Step 3: Cross multiply
    225,971,631.60x = 338,503,720.68 × 191,279,474.16
  4. Step 4: Simplify right side
    225,971,631.60x = 64,748,813,692,873,920
  5. Step 5: Solve for x
    x = 64,748,813,692,873,920/225,971,631.60
  6. Step 6: Final answer
    x = 286,535,142.64

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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.