Home / 43,138,052.46-64,708,407.30-18,864,484.80

Finding the Fourth Proportional to 43,138,052.46, 64,708,407.30 and 18,864,484.80

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Solution

The fourth proportional to 43,138,052.46, 64,708,407.30 and 18,864,484.80 is: 28,297,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,138,052.46 : 64,708,407.30 = 18,864,484.80 : x
  2. Step 2: Convert to fraction form
    43,138,052.46/64,708,407.30 = 18,864,484.80/x
  3. Step 3: Cross multiply
    43,138,052.46x = 64,708,407.30 × 18,864,484.80
  4. Step 4: Simplify right side
    43,138,052.46x = 1,220,690,765,943,059
  5. Step 5: Solve for x
    x = 1,220,690,765,943,059/43,138,052.46
  6. Step 6: Final answer
    x = 28,297,308.21

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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.