Home / 230,868,379.88-318,598,671.56-125,021,977.85

Finding the Fourth Proportional to 230,868,379.88, 318,598,671.56 and 125,021,977.85

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Solution

The fourth proportional to 230,868,379.88, 318,598,671.56 and 125,021,977.85 is: 172,530,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,868,379.88 : 318,598,671.56 = 125,021,977.85 : x
  2. Step 2: Convert to fraction form
    230,868,379.88/318,598,671.56 = 125,021,977.85/x
  3. Step 3: Cross multiply
    230,868,379.88x = 318,598,671.56 × 125,021,977.85
  4. Step 4: Simplify right side
    230,868,379.88x = 39,831,836,056,595,640
  5. Step 5: Solve for x
    x = 39,831,836,056,595,640/230,868,379.88
  6. Step 6: Final answer
    x = 172,530,495.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.