Home / 69,012,402.30-103,430,686.05-36,679,794.30

Finding the Fourth Proportional to 69,012,402.30, 103,430,686.05 and 36,679,794.30

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Solution

The fourth proportional to 69,012,402.30, 103,430,686.05 and 36,679,794.30 is: 54,972,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,012,402.30 : 103,430,686.05 = 36,679,794.30 : x
  2. Step 2: Convert to fraction form
    69,012,402.30/103,430,686.05 = 36,679,794.30/x
  3. Step 3: Cross multiply
    69,012,402.30x = 103,430,686.05 × 36,679,794.30
  4. Step 4: Simplify right side
    69,012,402.30x = 3,793,816,288,621,879
  5. Step 5: Solve for x
    x = 3,793,816,288,621,879/69,012,402.30
  6. Step 6: Final answer
    x = 54,972,963.73

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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.