Home / 163,666,753.25-225,856,917.99-89,327,846.68

Finding the Fourth Proportional to 163,666,753.25, 225,856,917.99 and 89,327,846.68

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Solution

The fourth proportional to 163,666,753.25, 225,856,917.99 and 89,327,846.68 is: 123,270,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,666,753.25 : 225,856,917.99 = 89,327,846.68 : x
  2. Step 2: Convert to fraction form
    163,666,753.25/225,856,917.99 = 89,327,846.68/x
  3. Step 3: Cross multiply
    163,666,753.25x = 225,856,917.99 × 89,327,846.68
  4. Step 4: Simplify right side
    163,666,753.25x = 20,175,312,140,598,144
  5. Step 5: Solve for x
    x = 20,175,312,140,598,144/163,666,753.25
  6. Step 6: Final answer
    x = 123,270,681.06

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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.