Home / 84,053,155.82-125,961,215.63-39,690,106.34

Finding the Fourth Proportional to 84,053,155.82, 125,961,215.63 and 39,690,106.34

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Solution

The fourth proportional to 84,053,155.82, 125,961,215.63 and 39,690,106.34 is: 59,479,194.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,053,155.82 : 125,961,215.63 = 39,690,106.34 : x
  2. Step 2: Convert to fraction form
    84,053,155.82/125,961,215.63 = 39,690,106.34/x
  3. Step 3: Cross multiply
    84,053,155.82x = 125,961,215.63 × 39,690,106.34
  4. Step 4: Simplify right side
    84,053,155.82x = 4,999,414,042,242,114
  5. Step 5: Solve for x
    x = 4,999,414,042,242,114/84,053,155.82
  6. Step 6: Final answer
    x = 59,479,194.97

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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.