Home / 66,291,336.54-91,486,642.23-40,186,954.62

Finding the Fourth Proportional to 66,291,336.54, 91,486,642.23 and 40,186,954.62

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Solution

The fourth proportional to 66,291,336.54, 91,486,642.23 and 40,186,954.62 is: 55,460,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,291,336.54 : 91,486,642.23 = 40,186,954.62 : x
  2. Step 2: Convert to fraction form
    66,291,336.54/91,486,642.23 = 40,186,954.62/x
  3. Step 3: Cross multiply
    66,291,336.54x = 91,486,642.23 × 40,186,954.62
  4. Step 4: Simplify right side
    66,291,336.54x = 3,676,569,539,633,185.50
  5. Step 5: Solve for x
    x = 3,676,569,539,633,185.50/66,291,336.54
  6. Step 6: Final answer
    x = 55,460,784.64

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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.