Home / 161,677,817.75-223,115,388.50-88,338,959.75

Finding the Fourth Proportional to 161,677,817.75, 223,115,388.50 and 88,338,959.75

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Solution

The fourth proportional to 161,677,817.75, 223,115,388.50 and 88,338,959.75 is: 121,907,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,677,817.75 : 223,115,388.50 = 88,338,959.75 : x
  2. Step 2: Convert to fraction form
    161,677,817.75/223,115,388.50 = 88,338,959.75/x
  3. Step 3: Cross multiply
    161,677,817.75x = 223,115,388.50 × 88,338,959.75
  4. Step 4: Simplify right side
    161,677,817.75x = 19,709,781,324,307,112
  5. Step 5: Solve for x
    x = 19,709,781,324,307,112/161,677,817.75
  6. Step 6: Final answer
    x = 121,907,764.46

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1.5x scale

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.