Home / 66,594,278.88-91,894,991.85-40,485,173.04

Finding the Fourth Proportional to 66,594,278.88, 91,894,991.85 and 40,485,173.04

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Solution

The fourth proportional to 66,594,278.88, 91,894,991.85 and 40,485,173.04 is: 55,866,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,594,278.88 : 91,894,991.85 = 40,485,173.04 : x
  2. Step 2: Convert to fraction form
    66,594,278.88/91,894,991.85 = 40,485,173.04/x
  3. Step 3: Cross multiply
    66,594,278.88x = 91,894,991.85 × 40,485,173.04
  4. Step 4: Simplify right side
    66,594,278.88x = 3,720,384,646,556,639.50
  5. Step 5: Solve for x
    x = 3,720,384,646,556,639.50/66,594,278.88
  6. Step 6: Final answer
    x = 55,866,430.41

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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.