Home / 117,525,173.40-176,287,760.10-71,541,019.80

Finding the Fourth Proportional to 117,525,173.40, 176,287,760.10 and 71,541,019.80

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Solution

The fourth proportional to 117,525,173.40, 176,287,760.10 and 71,541,019.80 is: 107,311,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,525,173.40 : 176,287,760.10 = 71,541,019.80 : x
  2. Step 2: Convert to fraction form
    117,525,173.40/176,287,760.10 = 71,541,019.80/x
  3. Step 3: Cross multiply
    117,525,173.40x = 176,287,760.10 × 71,541,019.80
  4. Step 4: Simplify right side
    117,525,173.40x = 12,611,806,135,811,750
  5. Step 5: Solve for x
    x = 12,611,806,135,811,750/117,525,173.40
  6. Step 6: Final answer
    x = 107,311,529.70

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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.