Home / 54,978,417.72-75,861,113.22-31,775,705.32

Finding the Fourth Proportional to 54,978,417.72, 75,861,113.22 and 31,775,705.32

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Solution

The fourth proportional to 54,978,417.72, 75,861,113.22 and 31,775,705.32 is: 43,845,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978,417.72 : 75,861,113.22 = 31,775,705.32 : x
  2. Step 2: Convert to fraction form
    54,978,417.72/75,861,113.22 = 31,775,705.32/x
  3. Step 3: Cross multiply
    54,978,417.72x = 75,861,113.22 × 31,775,705.32
  4. Step 4: Simplify right side
    54,978,417.72x = 2,410,540,378,925,876.50
  5. Step 5: Solve for x
    x = 2,410,540,378,925,876.50/54,978,417.72
  6. Step 6: Final answer
    x = 43,845,211.97

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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.