Home / 147,023,569.20-220,216,489.20-121,514,401.20

Finding the Fourth Proportional to 147,023,569.20, 220,216,489.20 and 121,514,401.20

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Solution

The fourth proportional to 147,023,569.20, 220,216,489.20 and 121,514,401.20 is: 182,008,061.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,023,569.20 : 220,216,489.20 = 121,514,401.20 : x
  2. Step 2: Convert to fraction form
    147,023,569.20/220,216,489.20 = 121,514,401.20/x
  3. Step 3: Cross multiply
    147,023,569.20x = 220,216,489.20 × 121,514,401.20
  4. Step 4: Simplify right side
    147,023,569.20x = 26,759,474,819,504,268
  5. Step 5: Solve for x
    x = 26,759,474,819,504,268/147,023,569.20
  6. Step 6: Final answer
    x = 182,008,061.46

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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.