Home / 115,671,422.66-173,422,103.42-55,129,663.94

Finding the Fourth Proportional to 115,671,422.66, 173,422,103.42 and 55,129,663.94

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Solution

The fourth proportional to 115,671,422.66, 173,422,103.42 and 55,129,663.94 is: 82,653,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,671,422.66 : 173,422,103.42 = 55,129,663.94 : x
  2. Step 2: Convert to fraction form
    115,671,422.66/173,422,103.42 = 55,129,663.94/x
  3. Step 3: Cross multiply
    115,671,422.66x = 173,422,103.42 × 55,129,663.94
  4. Step 4: Simplify right side
    115,671,422.66x = 9,560,702,280,583,240
  5. Step 5: Solve for x
    x = 9,560,702,280,583,240/115,671,422.66
  6. Step 6: Final answer
    x = 82,653,969.85

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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.