Home / 117,524,281.40-176,286,422.10-71,540,127.80

Finding the Fourth Proportional to 117,524,281.40, 176,286,422.10 and 71,540,127.80

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Solution

The fourth proportional to 117,524,281.40, 176,286,422.10 and 71,540,127.80 is: 107,310,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,524,281.40 : 176,286,422.10 = 71,540,127.80 : x
  2. Step 2: Convert to fraction form
    117,524,281.40/176,286,422.10 = 71,540,127.80/x
  3. Step 3: Cross multiply
    117,524,281.40x = 176,286,422.10 × 71,540,127.80
  4. Step 4: Simplify right side
    117,524,281.40x = 12,611,553,166,438,744
  5. Step 5: Solve for x
    x = 12,611,553,166,438,744/117,524,281.40
  6. Step 6: Final answer
    x = 107,310,191.70

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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.