Home / 81,659,216.56-112,689,656.94-44,989,787.56

Finding the Fourth Proportional to 81,659,216.56, 112,689,656.94 and 44,989,787.56

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Solution

The fourth proportional to 81,659,216.56, 112,689,656.94 and 44,989,787.56 is: 62,085,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,659,216.56 : 112,689,656.94 = 44,989,787.56 : x
  2. Step 2: Convert to fraction form
    81,659,216.56/112,689,656.94 = 44,989,787.56/x
  3. Step 3: Cross multiply
    81,659,216.56x = 112,689,656.94 × 44,989,787.56
  4. Step 4: Simplify right side
    81,659,216.56x = 5,069,883,725,939,880
  5. Step 5: Solve for x
    x = 5,069,883,725,939,880/81,659,216.56
  6. Step 6: Final answer
    x = 62,085,872.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.