Home / 55,143,128.20-82,714,692.30-14,202,488.20

Finding the Fourth Proportional to 55,143,128.20, 82,714,692.30 and 14,202,488.20

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Solution

The fourth proportional to 55,143,128.20, 82,714,692.30 and 14,202,488.20 is: 21,303,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143,128.20 : 82,714,692.30 = 14,202,488.20 : x
  2. Step 2: Convert to fraction form
    55,143,128.20/82,714,692.30 = 14,202,488.20/x
  3. Step 3: Cross multiply
    55,143,128.20x = 82,714,692.30 × 14,202,488.20
  4. Step 4: Simplify right side
    55,143,128.20x = 1,174,754,441,357,380.75
  5. Step 5: Solve for x
    x = 1,174,754,441,357,380.75/55,143,128.20
  6. Step 6: Final answer
    x = 21,303,732.30

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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.