Home / 118,940,686.82-163,832,321.22-84,073,433.30

Finding the Fourth Proportional to 118,940,686.82, 163,832,321.22 and 84,073,433.30

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Solution

The fourth proportional to 118,940,686.82, 163,832,321.22 and 84,073,433.30 is: 115,805,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,940,686.82 : 163,832,321.22 = 84,073,433.30 : x
  2. Step 2: Convert to fraction form
    118,940,686.82/163,832,321.22 = 84,073,433.30/x
  3. Step 3: Cross multiply
    118,940,686.82x = 163,832,321.22 × 84,073,433.30
  4. Step 4: Simplify right side
    118,940,686.82x = 13,773,945,730,473,844
  5. Step 5: Solve for x
    x = 13,773,945,730,473,844/118,940,686.82
  6. Step 6: Final answer
    x = 115,805,163.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.