Home / 66,572,382.09-91,861,930.78-36,799,008.24

Finding the Fourth Proportional to 66,572,382.09, 91,861,930.78 and 36,799,008.24

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Solution

The fourth proportional to 66,572,382.09, 91,861,930.78 and 36,799,008.24 is: 50,778,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,572,382.09 : 91,861,930.78 = 36,799,008.24 : x
  2. Step 2: Convert to fraction form
    66,572,382.09/91,861,930.78 = 36,799,008.24/x
  3. Step 3: Cross multiply
    66,572,382.09x = 91,861,930.78 × 36,799,008.24
  4. Step 4: Simplify right side
    66,572,382.09x = 3,380,427,947,968,014.50
  5. Step 5: Solve for x
    x = 3,380,427,947,968,014.50/66,572,382.09
  6. Step 6: Final answer
    x = 50,778,233.28

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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.