Home / 81,073,120.56-111,881,014.29-43,903,464.97

Finding the Fourth Proportional to 81,073,120.56, 111,881,014.29 and 43,903,464.97

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Solution

The fourth proportional to 81,073,120.56, 111,881,014.29 and 43,903,464.97 is: 60,586,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,073,120.56 : 111,881,014.29 = 43,903,464.97 : x
  2. Step 2: Convert to fraction form
    81,073,120.56/111,881,014.29 = 43,903,464.97/x
  3. Step 3: Cross multiply
    81,073,120.56x = 111,881,014.29 × 43,903,464.97
  4. Step 4: Simplify right side
    81,073,120.56x = 4,911,964,191,689,085
  5. Step 5: Solve for x
    x = 4,911,964,191,689,085/81,073,120.56
  6. Step 6: Final answer
    x = 60,586,840.10

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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.