Home / 66,168,194.36-91,314,627.80-36,801,650.43

Finding the Fourth Proportional to 66,168,194.36, 91,314,627.80 and 36,801,650.43

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Solution

The fourth proportional to 66,168,194.36, 91,314,627.80 and 36,801,650.43 is: 50,787,678.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,168,194.36 : 91,314,627.80 = 36,801,650.43 : x
  2. Step 2: Convert to fraction form
    66,168,194.36/91,314,627.80 = 36,801,650.43/x
  3. Step 3: Cross multiply
    66,168,194.36x = 91,314,627.80 × 36,801,650.43
  4. Step 4: Simplify right side
    66,168,194.36x = 3,360,529,011,441,160
  5. Step 5: Solve for x
    x = 3,360,529,011,441,160/66,168,194.36
  6. Step 6: Final answer
    x = 50,787,678.94

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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.