Home / 60,168,179.49-90,260,838.78-18,672,640.88

Finding the Fourth Proportional to 60,168,179.49, 90,260,838.78 and 18,672,640.88

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Solution

The fourth proportional to 60,168,179.49, 90,260,838.78 and 18,672,640.88 is: 28,011,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,168,179.49 : 90,260,838.78 = 18,672,640.88 : x
  2. Step 2: Convert to fraction form
    60,168,179.49/90,260,838.78 = 18,672,640.88/x
  3. Step 3: Cross multiply
    60,168,179.49x = 90,260,838.78 × 18,672,640.88
  4. Step 4: Simplify right side
    60,168,179.49x = 1,685,408,227,615,213.25
  5. Step 5: Solve for x
    x = 1,685,408,227,615,213.25/60,168,179.49
  6. Step 6: Final answer
    x = 28,011,620.79

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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.