Home / 165,207,491.40-227,986,455.09-90,873,707.46

Finding the Fourth Proportional to 165,207,491.40, 227,986,455.09 and 90,873,707.46

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Solution

The fourth proportional to 165,207,491.40, 227,986,455.09 and 90,873,707.46 is: 125,405,780.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,207,491.40 : 227,986,455.09 = 90,873,707.46 : x
  2. Step 2: Convert to fraction form
    165,207,491.40/227,986,455.09 = 90,873,707.46/x
  3. Step 3: Cross multiply
    165,207,491.40x = 227,986,455.09 × 90,873,707.46
  4. Step 4: Simplify right side
    165,207,491.40x = 20,717,974,424,691,088
  5. Step 5: Solve for x
    x = 20,717,974,424,691,088/165,207,491.40
  6. Step 6: Final answer
    x = 125,405,780.63

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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.