Home / 231,965,479.20-347,893,281.36-86,467,343.52

Finding the Fourth Proportional to 231,965,479.20, 347,893,281.36 and 86,467,343.52

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Solution

The fourth proportional to 231,965,479.20, 347,893,281.36 and 86,467,343.52 is: 129,680,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,965,479.20 : 347,893,281.36 = 86,467,343.52 : x
  2. Step 2: Convert to fraction form
    231,965,479.20/347,893,281.36 = 86,467,343.52/x
  3. Step 3: Cross multiply
    231,965,479.20x = 347,893,281.36 × 86,467,343.52
  4. Step 4: Simplify right side
    231,965,479.20x = 30,081,407,867,655,132
  5. Step 5: Solve for x
    x = 30,081,407,867,655,132/231,965,479.20
  6. Step 6: Final answer
    x = 129,680,536.83

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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.