Home / 72,596,399.04-100,181,841.12-39,557,040.12

Finding the Fourth Proportional to 72,596,399.04, 100,181,841.12 and 39,557,040.12

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Solution

The fourth proportional to 72,596,399.04, 100,181,841.12 and 39,557,040.12 is: 54,588,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,596,399.04 : 100,181,841.12 = 39,557,040.12 : x
  2. Step 2: Convert to fraction form
    72,596,399.04/100,181,841.12 = 39,557,040.12/x
  3. Step 3: Cross multiply
    72,596,399.04x = 100,181,841.12 × 39,557,040.12
  4. Step 4: Simplify right side
    72,596,399.04x = 3,962,897,108,479,305.50
  5. Step 5: Solve for x
    x = 3,962,897,108,479,305.50/72,596,399.04
  6. Step 6: Final answer
    x = 54,588,067.19

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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.