Home / 111,460,326.88-167,124,257.25-42,378,187.17

Finding the Fourth Proportional to 111,460,326.88, 167,124,257.25 and 42,378,187.17

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Solution

The fourth proportional to 111,460,326.88, 167,124,257.25 and 42,378,187.17 is: 63,542,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,460,326.88 : 167,124,257.25 = 42,378,187.17 : x
  2. Step 2: Convert to fraction form
    111,460,326.88/167,124,257.25 = 42,378,187.17/x
  3. Step 3: Cross multiply
    111,460,326.88x = 167,124,257.25 × 42,378,187.17
  4. Step 4: Simplify right side
    111,460,326.88x = 7,082,423,053,552,108
  5. Step 5: Solve for x
    x = 7,082,423,053,552,108/111,460,326.88
  6. Step 6: Final answer
    x = 63,542,098.36

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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.