Home / 163,454,047.32-225,568,151.10-90,117,819.48

Finding the Fourth Proportional to 163,454,047.32, 225,568,151.10 and 90,117,819.48

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Solution

The fourth proportional to 163,454,047.32, 225,568,151.10 and 90,117,819.48 is: 124,363,454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,454,047.32 : 225,568,151.10 = 90,117,819.48 : x
  2. Step 2: Convert to fraction form
    163,454,047.32/225,568,151.10 = 90,117,819.48/x
  3. Step 3: Cross multiply
    163,454,047.32x = 225,568,151.10 × 90,117,819.48
  4. Step 4: Simplify right side
    163,454,047.32x = 20,327,709,921,267,164
  5. Step 5: Solve for x
    x = 20,327,709,921,267,164/163,454,047.32
  6. Step 6: Final answer
    x = 124,363,454.16

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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.