Home / 72,264,998.80-108,361,631.40-26,205,029.20

Finding the Fourth Proportional to 72,264,998.80, 108,361,631.40 and 26,205,029.20

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Solution

The fourth proportional to 72,264,998.80, 108,361,631.40 and 26,205,029.20 is: 39,294,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,264,998.80 : 108,361,631.40 = 26,205,029.20 : x
  2. Step 2: Convert to fraction form
    72,264,998.80/108,361,631.40 = 26,205,029.20/x
  3. Step 3: Cross multiply
    72,264,998.80x = 108,361,631.40 × 26,205,029.20
  4. Step 4: Simplify right side
    72,264,998.80x = 2,839,619,714,996,637
  5. Step 5: Solve for x
    x = 2,839,619,714,996,637/72,264,998.80
  6. Step 6: Final answer
    x = 39,294,537.63

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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.