Home / 151,722,005.22-209,377,026.95-82,107,392.22

Finding the Fourth Proportional to 151,722,005.22, 209,377,026.95 and 82,107,392.22

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Solution

The fourth proportional to 151,722,005.22, 209,377,026.95 and 82,107,392.22 is: 113,308,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,722,005.22 : 209,377,026.95 = 82,107,392.22 : x
  2. Step 2: Convert to fraction form
    151,722,005.22/209,377,026.95 = 82,107,392.22/x
  3. Step 3: Cross multiply
    151,722,005.22x = 209,377,026.95 × 82,107,392.22
  4. Step 4: Simplify right side
    151,722,005.22x = 17,191,401,673,230,622
  5. Step 5: Solve for x
    x = 17,191,401,673,230,622/151,722,005.22
  6. Step 6: Final answer
    x = 113,308,558.30

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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.