Home / 90,324,616.32-124,620,508.80-51,160,170.24

Finding the Fourth Proportional to 90,324,616.32, 124,620,508.80 and 51,160,170.24

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Solution

The fourth proportional to 90,324,616.32, 124,620,508.80 and 51,160,170.24 is: 70,585,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,324,616.32 : 124,620,508.80 = 51,160,170.24 : x
  2. Step 2: Convert to fraction form
    90,324,616.32/124,620,508.80 = 51,160,170.24/x
  3. Step 3: Cross multiply
    90,324,616.32x = 124,620,508.80 × 51,160,170.24
  4. Step 4: Simplify right side
    90,324,616.32x = 6,375,606,445,603,418
  5. Step 5: Solve for x
    x = 6,375,606,445,603,418/90,324,616.32
  6. Step 6: Final answer
    x = 70,585,480.52

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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.