Home / 66,432,079.80-99,648,119.70-57,344,438.70

Finding the Fourth Proportional to 66,432,079.80, 99,648,119.70 and 57,344,438.70

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Solution

The fourth proportional to 66,432,079.80, 99,648,119.70 and 57,344,438.70 is: 86,016,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,079.80 : 99,648,119.70 = 57,344,438.70 : x
  2. Step 2: Convert to fraction form
    66,432,079.80/99,648,119.70 = 57,344,438.70/x
  3. Step 3: Cross multiply
    66,432,079.80x = 99,648,119.70 × 57,344,438.70
  4. Step 4: Simplify right side
    66,432,079.80x = 5,714,265,491,706,913
  5. Step 5: Solve for x
    x = 5,714,265,491,706,913/66,432,079.80
  6. Step 6: Final answer
    x = 86,016,658.05

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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.