Home / 147,247,616.50-203,200,055.06-80,265,106.78

Finding the Fourth Proportional to 147,247,616.50, 203,200,055.06 and 80,265,106.78

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Solution

The fourth proportional to 147,247,616.50, 203,200,055.06 and 80,265,106.78 is: 110,764,944.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,247,616.50 : 203,200,055.06 = 80,265,106.78 : x
  2. Step 2: Convert to fraction form
    147,247,616.50/203,200,055.06 = 80,265,106.78/x
  3. Step 3: Cross multiply
    147,247,616.50x = 203,200,055.06 × 80,265,106.78
  4. Step 4: Simplify right side
    147,247,616.50x = 16,309,874,117,092,780
  5. Step 5: Solve for x
    x = 16,309,874,117,092,780/147,247,616.50
  6. Step 6: Final answer
    x = 110,764,944.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.