Home / 84,162,187.80-126,247,218.30-26,658,959.40

Finding the Fourth Proportional to 84,162,187.80, 126,247,218.30 and 26,658,959.40

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Solution

The fourth proportional to 84,162,187.80, 126,247,218.30 and 26,658,959.40 is: 39,989,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,162,187.80 : 126,247,218.30 = 26,658,959.40 : x
  2. Step 2: Convert to fraction form
    84,162,187.80/126,247,218.30 = 26,658,959.40/x
  3. Step 3: Cross multiply
    84,162,187.80x = 126,247,218.30 × 26,658,959.40
  4. Step 4: Simplify right side
    84,162,187.80x = 3,365,619,467,022,637
  5. Step 5: Solve for x
    x = 3,365,619,467,022,637/84,162,187.80
  6. Step 6: Final answer
    x = 39,989,686.05

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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.