Home / 117,524,280.40-176,286,420.60-71,540,126.80

Finding the Fourth Proportional to 117,524,280.40, 176,286,420.60 and 71,540,126.80

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Solution

The fourth proportional to 117,524,280.40, 176,286,420.60 and 71,540,126.80 is: 107,310,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,524,280.40 : 176,286,420.60 = 71,540,126.80 : x
  2. Step 2: Convert to fraction form
    117,524,280.40/176,286,420.60 = 71,540,126.80/x
  3. Step 3: Cross multiply
    117,524,280.40x = 176,286,420.60 × 71,540,126.80
  4. Step 4: Simplify right side
    117,524,280.40x = 12,611,552,882,842,132
  5. Step 5: Solve for x
    x = 12,611,552,882,842,132/117,524,280.40
  6. Step 6: Final answer
    x = 107,310,190.20

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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.