Home / 165,018,628.75-227,727,520.19-90,679,208.53

Finding the Fourth Proportional to 165,018,628.75, 227,727,520.19 and 90,679,208.53

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Solution

The fourth proportional to 165,018,628.75, 227,727,520.19 and 90,679,208.53 is: 125,138,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,018,628.75 : 227,727,520.19 = 90,679,208.53 : x
  2. Step 2: Convert to fraction form
    165,018,628.75/227,727,520.19 = 90,679,208.53/x
  3. Step 3: Cross multiply
    165,018,628.75x = 227,727,520.19 × 90,679,208.53
  4. Step 4: Simplify right side
    165,018,628.75x = 20,650,151,290,875,400
  5. Step 5: Solve for x
    x = 20,650,151,290,875,400/165,018,628.75
  6. Step 6: Final answer
    x = 125,138,303.76

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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.