Home / 275,238,002.70-412,857,004.05-166,398,885.90

Finding the Fourth Proportional to 275,238,002.70, 412,857,004.05 and 166,398,885.90

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Solution

The fourth proportional to 275,238,002.70, 412,857,004.05 and 166,398,885.90 is: 249,598,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,238,002.70 : 412,857,004.05 = 166,398,885.90 : x
  2. Step 2: Convert to fraction form
    275,238,002.70/412,857,004.05 = 166,398,885.90/x
  3. Step 3: Cross multiply
    275,238,002.70x = 412,857,004.05 × 166,398,885.90
  4. Step 4: Simplify right side
    275,238,002.70x = 68,698,945,509,931,792
  5. Step 5: Solve for x
    x = 68,698,945,509,931,792/275,238,002.70
  6. Step 6: Final answer
    x = 249,598,328.85

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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.