Home / 165,207,492.40-227,986,456.47-90,873,708.46

Finding the Fourth Proportional to 165,207,492.40, 227,986,456.47 and 90,873,708.46

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Solution

The fourth proportional to 165,207,492.40, 227,986,456.47 and 90,873,708.46 is: 125,405,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,207,492.40 : 227,986,456.47 = 90,873,708.46 : x
  2. Step 2: Convert to fraction form
    165,207,492.40/227,986,456.47 = 90,873,708.46/x
  3. Step 3: Cross multiply
    165,207,492.40x = 227,986,456.47 × 90,873,708.46
  4. Step 4: Simplify right side
    165,207,492.40x = 20,717,974,778,083,260
  5. Step 5: Solve for x
    x = 20,717,974,778,083,260/165,207,492.40
  6. Step 6: Final answer
    x = 125,405,782.01

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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.