Home / 81,815,381.20-112,907,621.72-44,648,056.37

Finding the Fourth Proportional to 81,815,381.20, 112,907,621.72 and 44,648,056.37

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Solution

The fourth proportional to 81,815,381.20, 112,907,621.72 and 44,648,056.37 is: 61,615,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,815,381.20 : 112,907,621.72 = 44,648,056.37 : x
  2. Step 2: Convert to fraction form
    81,815,381.20/112,907,621.72 = 44,648,056.37/x
  3. Step 3: Cross multiply
    81,815,381.20x = 112,907,621.72 × 44,648,056.37
  4. Step 4: Simplify right side
    81,815,381.20x = 5,041,105,859,551,086
  5. Step 5: Solve for x
    x = 5,041,105,859,551,086/81,815,381.20
  6. Step 6: Final answer
    x = 61,615,625.15

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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.