Home / 165,061,825.74-227,787,686.76-90,729,267.84

Finding the Fourth Proportional to 165,061,825.74, 227,787,686.76 and 90,729,267.84

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Solution

The fourth proportional to 165,061,825.74, 227,787,686.76 and 90,729,267.84 is: 125,207,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,061,825.74 : 227,787,686.76 = 90,729,267.84 : x
  2. Step 2: Convert to fraction form
    165,061,825.74/227,787,686.76 = 90,729,267.84/x
  3. Step 3: Cross multiply
    165,061,825.74x = 227,787,686.76 × 90,729,267.84
  4. Step 4: Simplify right side
    165,061,825.74x = 20,667,010,042,702,060
  5. Step 5: Solve for x
    x = 20,667,010,042,702,060/165,061,825.74
  6. Step 6: Final answer
    x = 125,207,690.82

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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.