Home / 165,207,712.35-227,986,759.44-90,873,927.93

Finding the Fourth Proportional to 165,207,712.35, 227,986,759.44 and 90,873,927.93

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Solution

The fourth proportional to 165,207,712.35, 227,986,759.44 and 90,873,927.93 is: 125,406,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,207,712.35 : 227,986,759.44 = 90,873,927.93 : x
  2. Step 2: Convert to fraction form
    165,207,712.35/227,986,759.44 = 90,873,927.93/x
  3. Step 3: Cross multiply
    165,207,712.35x = 227,986,759.44 × 90,873,927.93
  4. Step 4: Simplify right side
    165,207,712.35x = 20,718,052,346,344,808
  5. Step 5: Solve for x
    x = 20,718,052,346,344,808/165,207,712.35
  6. Step 6: Final answer
    x = 125,406,084.57

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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.