Home / 114,517,821.10-171,776,731.65-68,601,318.70

Finding the Fourth Proportional to 114,517,821.10, 171,776,731.65 and 68,601,318.70

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Solution

The fourth proportional to 114,517,821.10, 171,776,731.65 and 68,601,318.70 is: 102,901,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,517,821.10 : 171,776,731.65 = 68,601,318.70 : x
  2. Step 2: Convert to fraction form
    114,517,821.10/171,776,731.65 = 68,601,318.70/x
  3. Step 3: Cross multiply
    114,517,821.10x = 171,776,731.65 × 68,601,318.70
  4. Step 4: Simplify right side
    114,517,821.10x = 11,784,110,313,166,028
  5. Step 5: Solve for x
    x = 11,784,110,313,166,028/114,517,821.10
  6. Step 6: Final answer
    x = 102,901,978.05

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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.