Home / 85,118,499.12-127,665,778.20-27,611,275.68

Finding the Fourth Proportional to 85,118,499.12, 127,665,778.20 and 27,611,275.68

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Solution

The fourth proportional to 85,118,499.12, 127,665,778.20 and 27,611,275.68 is: 41,413,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,118,499.12 : 127,665,778.20 = 27,611,275.68 : x
  2. Step 2: Convert to fraction form
    85,118,499.12/127,665,778.20 = 27,611,275.68/x
  3. Step 3: Cross multiply
    85,118,499.12x = 127,665,778.20 × 27,611,275.68
  4. Step 4: Simplify right side
    85,118,499.12x = 3,525,014,996,781,934
  5. Step 5: Solve for x
    x = 3,525,014,996,781,934/85,118,499.12
  6. Step 6: Final answer
    x = 41,413,030.46

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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.