Home / 109,583,694.20-164,375,541.30-68,769,025.40

Finding the Fourth Proportional to 109,583,694.20, 164,375,541.30 and 68,769,025.40

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Solution

The fourth proportional to 109,583,694.20, 164,375,541.30 and 68,769,025.40 is: 103,153,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,583,694.20 : 164,375,541.30 = 68,769,025.40 : x
  2. Step 2: Convert to fraction form
    109,583,694.20/164,375,541.30 = 68,769,025.40/x
  3. Step 3: Cross multiply
    109,583,694.20x = 164,375,541.30 × 68,769,025.40
  4. Step 4: Simplify right side
    109,583,694.20x = 11,303,945,774,798,450
  5. Step 5: Solve for x
    x = 11,303,945,774,798,450/109,583,694.20
  6. Step 6: Final answer
    x = 103,153,538.10

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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.