Home / 169,655,128.20-254,482,692.30-83,561,686.20

Finding the Fourth Proportional to 169,655,128.20, 254,482,692.30 and 83,561,686.20

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Solution

The fourth proportional to 169,655,128.20, 254,482,692.30 and 83,561,686.20 is: 125,342,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,655,128.20 : 254,482,692.30 = 83,561,686.20 : x
  2. Step 2: Convert to fraction form
    169,655,128.20/254,482,692.30 = 83,561,686.20/x
  3. Step 3: Cross multiply
    169,655,128.20x = 254,482,692.30 × 83,561,686.20
  4. Step 4: Simplify right side
    169,655,128.20x = 21,265,002,877,303,760
  5. Step 5: Solve for x
    x = 21,265,002,877,303,760/169,655,128.20
  6. Step 6: Final answer
    x = 125,342,529.30

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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.