Home / 129,311,931.30-193,995,890.55-38,444,705.70

Finding the Fourth Proportional to 129,311,931.30, 193,995,890.55 and 38,444,705.70

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Solution

The fourth proportional to 129,311,931.30, 193,995,890.55 and 38,444,705.70 is: 57,675,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,311,931.30 : 193,995,890.55 = 38,444,705.70 : x
  2. Step 2: Convert to fraction form
    129,311,931.30/193,995,890.55 = 38,444,705.70/x
  3. Step 3: Cross multiply
    129,311,931.30x = 193,995,890.55 × 38,444,705.70
  4. Step 4: Simplify right side
    129,311,931.30x = 7,458,114,919,204,162
  5. Step 5: Solve for x
    x = 7,458,114,919,204,162/129,311,931.30
  6. Step 6: Final answer
    x = 57,675,381.11

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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.