Home / 43,229,769.12-64,852,512.30-20,510,454.96

Finding the Fourth Proportional to 43,229,769.12, 64,852,512.30 and 20,510,454.96

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Solution

The fourth proportional to 43,229,769.12, 64,852,512.30 and 20,510,454.96 is: 30,769,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,229,769.12 : 64,852,512.30 = 20,510,454.96 : x
  2. Step 2: Convert to fraction form
    43,229,769.12/64,852,512.30 = 20,510,454.96/x
  3. Step 3: Cross multiply
    43,229,769.12x = 64,852,512.30 × 20,510,454.96
  4. Step 4: Simplify right side
    43,229,769.12x = 1,330,154,532,571,996
  5. Step 5: Solve for x
    x = 1,330,154,532,571,996/43,229,769.12
  6. Step 6: Final answer
    x = 30,769,410.98

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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.