Home / 129,344,601.60-194,016,902.40-112,338,489.60

Finding the Fourth Proportional to 129,344,601.60, 194,016,902.40 and 112,338,489.60

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Solution

The fourth proportional to 129,344,601.60, 194,016,902.40 and 112,338,489.60 is: 168,507,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344,601.60 : 194,016,902.40 = 112,338,489.60 : x
  2. Step 2: Convert to fraction form
    129,344,601.60/194,016,902.40 = 112,338,489.60/x
  3. Step 3: Cross multiply
    129,344,601.60x = 194,016,902.40 × 112,338,489.60
  4. Step 4: Simplify right side
    129,344,601.60x = 21,795,565,772,486,616
  5. Step 5: Solve for x
    x = 21,795,565,772,486,616/129,344,601.60
  6. Step 6: Final answer
    x = 168,507,734.40

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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.