Home / 107,839,179.20-161,758,768.80-71,559,473.60

Finding the Fourth Proportional to 107,839,179.20, 161,758,768.80 and 71,559,473.60

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Solution

The fourth proportional to 107,839,179.20, 161,758,768.80 and 71,559,473.60 is: 107,339,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,179.20 : 161,758,768.80 = 71,559,473.60 : x
  2. Step 2: Convert to fraction form
    107,839,179.20/161,758,768.80 = 71,559,473.60/x
  3. Step 3: Cross multiply
    107,839,179.20x = 161,758,768.80 × 71,559,473.60
  4. Step 4: Simplify right side
    107,839,179.20x = 11,575,372,345,512,104
  5. Step 5: Solve for x
    x = 11,575,372,345,512,104/107,839,179.20
  6. Step 6: Final answer
    x = 107,339,210.40

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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.