Home / 117,344,959.20-176,017,438.80-68,846,047.20

Finding the Fourth Proportional to 117,344,959.20, 176,017,438.80 and 68,846,047.20

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Solution

The fourth proportional to 117,344,959.20, 176,017,438.80 and 68,846,047.20 is: 103,269,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,344,959.20 : 176,017,438.80 = 68,846,047.20 : x
  2. Step 2: Convert to fraction form
    117,344,959.20/176,017,438.80 = 68,846,047.20/x
  3. Step 3: Cross multiply
    117,344,959.20x = 176,017,438.80 × 68,846,047.20
  4. Step 4: Simplify right side
    117,344,959.20x = 12,118,104,899,647,912
  5. Step 5: Solve for x
    x = 12,118,104,899,647,912/117,344,959.20
  6. Step 6: Final answer
    x = 103,269,070.80

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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.