Home / 129,344,772.60-194,017,158.90-112,338,660.60

Finding the Fourth Proportional to 129,344,772.60, 194,017,158.90 and 112,338,660.60

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Solution

The fourth proportional to 129,344,772.60, 194,017,158.90 and 112,338,660.60 is: 168,507,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344,772.60 : 194,017,158.90 = 112,338,660.60 : x
  2. Step 2: Convert to fraction form
    129,344,772.60/194,017,158.90 = 112,338,660.60/x
  3. Step 3: Cross multiply
    129,344,772.60x = 194,017,158.90 × 112,338,660.60
  4. Step 4: Simplify right side
    129,344,772.60x = 21,795,627,764,243,368
  5. Step 5: Solve for x
    x = 21,795,627,764,243,368/129,344,772.60
  6. Step 6: Final answer
    x = 168,507,990.90

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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.