Home / 66,006,028.80-91,086,908.40-36,635,649.12

Finding the Fourth Proportional to 66,006,028.80, 91,086,908.40 and 36,635,649.12

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Solution

The fourth proportional to 66,006,028.80, 91,086,908.40 and 36,635,649.12 is: 50,556,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,006,028.80 : 91,086,908.40 = 36,635,649.12 : x
  2. Step 2: Convert to fraction form
    66,006,028.80/91,086,908.40 = 36,635,649.12/x
  3. Step 3: Cross multiply
    66,006,028.80x = 91,086,908.40 × 36,635,649.12
  4. Step 4: Simplify right side
    66,006,028.80x = 3,337,028,015,567,980.50
  5. Step 5: Solve for x
    x = 3,337,028,015,567,980.50/66,006,028.80
  6. Step 6: Final answer
    x = 50,556,412.44

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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.