Home / 86,028,200.70-129,024,367.65-31,466,487.30

Finding the Fourth Proportional to 86,028,200.70, 129,024,367.65 and 31,466,487.30

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Solution

The fourth proportional to 86,028,200.70, 129,024,367.65 and 31,466,487.30 is: 47,193,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,028,200.70 : 129,024,367.65 = 31,466,487.30 : x
  2. Step 2: Convert to fraction form
    86,028,200.70/129,024,367.65 = 31,466,487.30/x
  3. Step 3: Cross multiply
    86,028,200.70x = 129,024,367.65 × 31,466,487.30
  4. Step 4: Simplify right side
    86,028,200.70x = 4,059,943,626,049,256
  5. Step 5: Solve for x
    x = 4,059,943,626,049,256/86,028,200.70
  6. Step 6: Final answer
    x = 47,193,171.46

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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.