Home / 151,684,788.38-209,325,004.74-82,070,169.30

Finding the Fourth Proportional to 151,684,788.38, 209,325,004.74 and 82,070,169.30

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Solution

The fourth proportional to 151,684,788.38, 209,325,004.74 and 82,070,169.30 is: 113,256,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,684,788.38 : 209,325,004.74 = 82,070,169.30 : x
  2. Step 2: Convert to fraction form
    151,684,788.38/209,325,004.74 = 82,070,169.30/x
  3. Step 3: Cross multiply
    151,684,788.38x = 209,325,004.74 × 82,070,169.30
  4. Step 4: Simplify right side
    151,684,788.38x = 17,179,338,577,735,102
  5. Step 5: Solve for x
    x = 17,179,338,577,735,102/151,684,788.38
  6. Step 6: Final answer
    x = 113,256,831.89

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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.