Home / 61,236,005.40-91,854,008.10-20,846,489.40

Finding the Fourth Proportional to 61,236,005.40, 91,854,008.10 and 20,846,489.40

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Solution

The fourth proportional to 61,236,005.40, 91,854,008.10 and 20,846,489.40 is: 31,269,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,236,005.40 : 91,854,008.10 = 20,846,489.40 : x
  2. Step 2: Convert to fraction form
    61,236,005.40/91,854,008.10 = 20,846,489.40/x
  3. Step 3: Cross multiply
    61,236,005.40x = 91,854,008.10 × 20,846,489.40
  4. Step 4: Simplify right side
    61,236,005.40x = 1,914,833,606,204,164
  5. Step 5: Solve for x
    x = 1,914,833,606,204,164/61,236,005.40
  6. Step 6: Final answer
    x = 31,269,734.10

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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.