Home / 81,227,058.80-121,828,603.42-23,703,884.96

Finding the Fourth Proportional to 81,227,058.80, 121,828,603.42 and 23,703,884.96

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Solution

The fourth proportional to 81,227,058.80, 121,828,603.42 and 23,703,884.96 is: 35,552,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,227,058.80 : 121,828,603.42 = 23,703,884.96 : x
  2. Step 2: Convert to fraction form
    81,227,058.80/121,828,603.42 = 23,703,884.96/x
  3. Step 3: Cross multiply
    81,227,058.80x = 121,828,603.42 × 23,703,884.96
  4. Step 4: Simplify right side
    81,227,058.80x = 2,887,811,200,305,142.50
  5. Step 5: Solve for x
    x = 2,887,811,200,305,142.50/81,227,058.80
  6. Step 6: Final answer
    x = 35,552,330.01

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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.