Home / 110,980,469.20-166,328,986.20-85,294,154.20

Finding the Fourth Proportional to 110,980,469.20, 166,328,986.20 and 85,294,154.20

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Solution

The fourth proportional to 110,980,469.20, 166,328,986.20 and 85,294,154.20 is: 127,832,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,980,469.20 : 166,328,986.20 = 85,294,154.20 : x
  2. Step 2: Convert to fraction form
    110,980,469.20/166,328,986.20 = 85,294,154.20/x
  3. Step 3: Cross multiply
    110,980,469.20x = 166,328,986.20 × 85,294,154.20
  4. Step 4: Simplify right side
    110,980,469.20x = 14,186,890,196,872,472
  5. Step 5: Solve for x
    x = 14,186,890,196,872,472/110,980,469.20
  6. Step 6: Final answer
    x = 127,832,314.09

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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.