Home / 230,609,139.40-318,247,750.74-126,191,611.72

Finding the Fourth Proportional to 230,609,139.40, 318,247,750.74 and 126,191,611.72

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Solution

The fourth proportional to 230,609,139.40, 318,247,750.74 and 126,191,611.72 is: 174,148,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,609,139.40 : 318,247,750.74 = 126,191,611.72 : x
  2. Step 2: Convert to fraction form
    230,609,139.40/318,247,750.74 = 126,191,611.72/x
  3. Step 3: Cross multiply
    230,609,139.40x = 318,247,750.74 × 126,191,611.72
  4. Step 4: Simplify right side
    230,609,139.40x = 40,160,196,592,145,424
  5. Step 5: Solve for x
    x = 40,160,196,592,145,424/230,609,139.40
  6. Step 6: Final answer
    x = 174,148,330.36

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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.