Home / 219,972,118.24-303,566,337.20-120,854,143.20

Finding the Fourth Proportional to 219,972,118.24, 303,566,337.20 and 120,854,143.20

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Solution

The fourth proportional to 219,972,118.24, 303,566,337.20 and 120,854,143.20 is: 166,781,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,972,118.24 : 303,566,337.20 = 120,854,143.20 : x
  2. Step 2: Convert to fraction form
    219,972,118.24/303,566,337.20 = 120,854,143.20/x
  3. Step 3: Cross multiply
    219,972,118.24x = 303,566,337.20 × 120,854,143.20
  4. Step 4: Simplify right side
    219,972,118.24x = 36,687,249,586,668,288
  5. Step 5: Solve for x
    x = 36,687,249,586,668,288/219,972,118.24
  6. Step 6: Final answer
    x = 166,781,362.48

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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.