Home / 104,859,140.20-157,288,710.30-68,579,434.60

Finding the Fourth Proportional to 104,859,140.20, 157,288,710.30 and 68,579,434.60

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Solution

The fourth proportional to 104,859,140.20, 157,288,710.30 and 68,579,434.60 is: 102,869,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,859,140.20 : 157,288,710.30 = 68,579,434.60 : x
  2. Step 2: Convert to fraction form
    104,859,140.20/157,288,710.30 = 68,579,434.60/x
  3. Step 3: Cross multiply
    104,859,140.20x = 157,288,710.30 × 68,579,434.60
  4. Step 4: Simplify right side
    104,859,140.20x = 10,786,770,821,337,196
  5. Step 5: Solve for x
    x = 10,786,770,821,337,196/104,859,140.20
  6. Step 6: Final answer
    x = 102,869,151.90

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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.