Home / 117,504,285.40-176,256,428.10-71,520,131.80

Finding the Fourth Proportional to 117,504,285.40, 176,256,428.10 and 71,520,131.80

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Solution

The fourth proportional to 117,504,285.40, 176,256,428.10 and 71,520,131.80 is: 107,280,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,504,285.40 : 176,256,428.10 = 71,520,131.80 : x
  2. Step 2: Convert to fraction form
    117,504,285.40/176,256,428.10 = 71,520,131.80/x
  3. Step 3: Cross multiply
    117,504,285.40x = 176,256,428.10 × 71,520,131.80
  4. Step 4: Simplify right side
    117,504,285.40x = 12,605,882,968,309,222
  5. Step 5: Solve for x
    x = 12,605,882,968,309,222/117,504,285.40
  6. Step 6: Final answer
    x = 107,280,197.70

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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.