Home / 107,839,679.40-161,759,519.10-67,025,010.60

Finding the Fourth Proportional to 107,839,679.40, 161,759,519.10 and 67,025,010.60

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Solution

The fourth proportional to 107,839,679.40, 161,759,519.10 and 67,025,010.60 is: 100,537,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,679.40 : 161,759,519.10 = 67,025,010.60 : x
  2. Step 2: Convert to fraction form
    107,839,679.40/161,759,519.10 = 67,025,010.60/x
  3. Step 3: Cross multiply
    107,839,679.40x = 161,759,519.10 × 67,025,010.60
  4. Step 4: Simplify right side
    107,839,679.40x = 10,841,933,482,328,402
  5. Step 5: Solve for x
    x = 10,841,933,482,328,402/107,839,679.40
  6. Step 6: Final answer
    x = 100,537,515.90

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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.