Home / 230,609,138.40-318,247,749.36-126,191,610.72

Finding the Fourth Proportional to 230,609,138.40, 318,247,749.36 and 126,191,610.72

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Solution

The fourth proportional to 230,609,138.40, 318,247,749.36 and 126,191,610.72 is: 174,148,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,609,138.40 : 318,247,749.36 = 126,191,610.72 : x
  2. Step 2: Convert to fraction form
    230,609,138.40/318,247,749.36 = 126,191,610.72/x
  3. Step 3: Cross multiply
    230,609,138.40x = 318,247,749.36 × 126,191,610.72
  4. Step 4: Simplify right side
    230,609,138.40x = 40,160,196,099,753,248
  5. Step 5: Solve for x
    x = 40,160,196,099,753,248/230,609,138.40
  6. Step 6: Final answer
    x = 174,148,328.98

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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.