Home / 71,744,093.40-107,616,140.10-67,776,000.60

Finding the Fourth Proportional to 71,744,093.40, 107,616,140.10 and 67,776,000.60

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Solution

The fourth proportional to 71,744,093.40, 107,616,140.10 and 67,776,000.60 is: 101,664,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,744,093.40 : 107,616,140.10 = 67,776,000.60 : x
  2. Step 2: Convert to fraction form
    71,744,093.40/107,616,140.10 = 67,776,000.60/x
  3. Step 3: Cross multiply
    71,744,093.40x = 107,616,140.10 × 67,776,000.60
  4. Step 4: Simplify right side
    71,744,093.40x = 7,293,791,575,987,283
  5. Step 5: Solve for x
    x = 7,293,791,575,987,283/71,744,093.40
  6. Step 6: Final answer
    x = 101,664,000.90

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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.