Home / 327,888,918.30-491,833,377.45-85,551,822.30

Finding the Fourth Proportional to 327,888,918.30, 491,833,377.45 and 85,551,822.30

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Solution

The fourth proportional to 327,888,918.30, 491,833,377.45 and 85,551,822.30 is: 128,327,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,888,918.30 : 491,833,377.45 = 85,551,822.30 : x
  2. Step 2: Convert to fraction form
    327,888,918.30/491,833,377.45 = 85,551,822.30/x
  3. Step 3: Cross multiply
    327,888,918.30x = 491,833,377.45 × 85,551,822.30
  4. Step 4: Simplify right side
    327,888,918.30x = 42,077,241,708,811,224
  5. Step 5: Solve for x
    x = 42,077,241,708,811,224/327,888,918.30
  6. Step 6: Final answer
    x = 128,327,733.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.