Home / 166,206,163.71-229,360,505.19-90,849,110.06

Finding the Fourth Proportional to 166,206,163.71, 229,360,505.19 and 90,849,110.06

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Solution

The fourth proportional to 166,206,163.71, 229,360,505.19 and 90,849,110.06 is: 125,369,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,206,163.71 : 229,360,505.19 = 90,849,110.06 : x
  2. Step 2: Convert to fraction form
    166,206,163.71/229,360,505.19 = 90,849,110.06/x
  3. Step 3: Cross multiply
    166,206,163.71x = 229,360,505.19 × 90,849,110.06
  4. Step 4: Simplify right side
    166,206,163.71x = 20,837,197,780,104,532
  5. Step 5: Solve for x
    x = 20,837,197,780,104,532/166,206,163.71
  6. Step 6: Final answer
    x = 125,369,585.07

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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.