Home / 151,684,843.92-209,325,081.24-82,070,224.80

Finding the Fourth Proportional to 151,684,843.92, 209,325,081.24 and 82,070,224.80

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Solution

The fourth proportional to 151,684,843.92, 209,325,081.24 and 82,070,224.80 is: 113,256,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,684,843.92 : 209,325,081.24 = 82,070,224.80 : x
  2. Step 2: Convert to fraction form
    151,684,843.92/209,325,081.24 = 82,070,224.80/x
  3. Step 3: Cross multiply
    151,684,843.92x = 209,325,081.24 × 82,070,224.80
  4. Step 4: Simplify right side
    151,684,843.92x = 17,179,356,473,645,062
  5. Step 5: Solve for x
    x = 17,179,356,473,645,062/151,684,843.92
  6. Step 6: Final answer
    x = 113,256,908.40

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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.