Home / 142,676,462.30-214,021,691.85-74,652,014.30

Finding the Fourth Proportional to 142,676,462.30, 214,021,691.85 and 74,652,014.30

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Solution

The fourth proportional to 142,676,462.30, 214,021,691.85 and 74,652,014.30 is: 111,981,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,676,462.30 : 214,021,691.85 = 74,652,014.30 : x
  2. Step 2: Convert to fraction form
    142,676,462.30/214,021,691.85 = 74,652,014.30/x
  3. Step 3: Cross multiply
    142,676,462.30x = 214,021,691.85 × 74,652,014.30
  4. Step 4: Simplify right side
    142,676,462.30x = 15,977,150,400,496,392
  5. Step 5: Solve for x
    x = 15,977,150,400,496,392/142,676,462.30
  6. Step 6: Final answer
    x = 111,981,683.19

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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.