Home / 66,851,992.20-100,277,988.30-57,604,918.80

Finding the Fourth Proportional to 66,851,992.20, 100,277,988.30 and 57,604,918.80

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Solution

The fourth proportional to 66,851,992.20, 100,277,988.30 and 57,604,918.80 is: 86,407,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,851,992.20 : 100,277,988.30 = 57,604,918.80 : x
  2. Step 2: Convert to fraction form
    66,851,992.20/100,277,988.30 = 57,604,918.80/x
  3. Step 3: Cross multiply
    66,851,992.20x = 100,277,988.30 × 57,604,918.80
  4. Step 4: Simplify right side
    66,851,992.20x = 5,776,505,373,448,850
  5. Step 5: Solve for x
    x = 5,776,505,373,448,850/66,851,992.20
  6. Step 6: Final answer
    x = 86,407,378.20

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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.