Home / 43,138,056.96-64,708,414.02-18,864,489.30

Finding the Fourth Proportional to 43,138,056.96, 64,708,414.02 and 18,864,489.30

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Solution

The fourth proportional to 43,138,056.96, 64,708,414.02 and 18,864,489.30 is: 28,297,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,138,056.96 : 64,708,414.02 = 18,864,489.30 : x
  2. Step 2: Convert to fraction form
    43,138,056.96/64,708,414.02 = 18,864,489.30/x
  3. Step 3: Cross multiply
    43,138,056.96x = 64,708,414.02 × 18,864,489.30
  4. Step 4: Simplify right side
    43,138,056.96x = 1,220,691,183,900,260
  5. Step 5: Solve for x
    x = 1,220,691,183,900,260/43,138,056.96
  6. Step 6: Final answer
    x = 28,297,314.94

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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.