Home / 76,895,856.04-115,344,083.30-18,603,440.49

Finding the Fourth Proportional to 76,895,856.04, 115,344,083.30 and 18,603,440.49

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Solution

The fourth proportional to 76,895,856.04, 115,344,083.30 and 18,603,440.49 is: 27,905,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,895,856.04 : 115,344,083.30 = 18,603,440.49 : x
  2. Step 2: Convert to fraction form
    76,895,856.04/115,344,083.30 = 18,603,440.49/x
  3. Step 3: Cross multiply
    76,895,856.04x = 115,344,083.30 × 18,603,440.49
  4. Step 4: Simplify right side
    76,895,856.04x = 2,145,796,789,591,661.25
  5. Step 5: Solve for x
    x = 2,145,796,789,591,661.25/76,895,856.04
  6. Step 6: Final answer
    x = 27,905,233.13

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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.