Home / 230,868,408.81-318,598,711.30-125,022,006.55

Finding the Fourth Proportional to 230,868,408.81, 318,598,711.30 and 125,022,006.55

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Solution

The fourth proportional to 230,868,408.81, 318,598,711.30 and 125,022,006.55 is: 172,530,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,868,408.81 : 318,598,711.30 = 125,022,006.55 : x
  2. Step 2: Convert to fraction form
    230,868,408.81/318,598,711.30 = 125,022,006.55/x
  3. Step 3: Cross multiply
    230,868,408.81x = 318,598,711.30 × 125,022,006.55
  4. Step 4: Simplify right side
    230,868,408.81x = 39,831,850,170,724,840
  5. Step 5: Solve for x
    x = 39,831,850,170,724,840/230,868,408.81
  6. Step 6: Final answer
    x = 172,530,535.37

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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.