Home / 125,995,846.20-188,993,769.30-100,486,678.20

Finding the Fourth Proportional to 125,995,846.20, 188,993,769.30 and 100,486,678.20

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Solution

The fourth proportional to 125,995,846.20, 188,993,769.30 and 100,486,678.20 is: 150,730,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,995,846.20 : 188,993,769.30 = 100,486,678.20 : x
  2. Step 2: Convert to fraction form
    125,995,846.20/188,993,769.30 = 100,486,678.20/x
  3. Step 3: Cross multiply
    125,995,846.20x = 188,993,769.30 × 100,486,678.20
  4. Step 4: Simplify right side
    125,995,846.20x = 18,991,356,077,454,140
  5. Step 5: Solve for x
    x = 18,991,356,077,454,140/125,995,846.20
  6. Step 6: Final answer
    x = 150,730,017.30

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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.