Home / 169,655,121.45-254,482,682.19-83,561,679.45

Finding the Fourth Proportional to 169,655,121.45, 254,482,682.19 and 83,561,679.45

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Solution

The fourth proportional to 169,655,121.45, 254,482,682.19 and 83,561,679.45 is: 125,342,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,655,121.45 : 254,482,682.19 = 83,561,679.45 : x
  2. Step 2: Convert to fraction form
    169,655,121.45/254,482,682.19 = 83,561,679.45/x
  3. Step 3: Cross multiply
    169,655,121.45x = 254,482,682.19 × 83,561,679.45
  4. Step 4: Simplify right side
    169,655,121.45x = 21,265,000,314,737,004
  5. Step 5: Solve for x
    x = 21,265,000,314,737,004/169,655,121.45
  6. Step 6: Final answer
    x = 125,342,519.18

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Double scale
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Similar ratio
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1.5x scale

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.