Home / 81,495,764.76-112,453,947.79-55,091,568.94

Finding the Fourth Proportional to 81,495,764.76, 112,453,947.79 and 55,091,568.94

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Solution

The fourth proportional to 81,495,764.76, 112,453,947.79 and 55,091,568.94 is: 76,019,464.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,495,764.76 : 112,453,947.79 = 55,091,568.94 : x
  2. Step 2: Convert to fraction form
    81,495,764.76/112,453,947.79 = 55,091,568.94/x
  3. Step 3: Cross multiply
    81,495,764.76x = 112,453,947.79 × 55,091,568.94
  4. Step 4: Simplify right side
    81,495,764.76x = 6,195,264,417,247,946
  5. Step 5: Solve for x
    x = 6,195,264,417,247,946/81,495,764.76
  6. Step 6: Final answer
    x = 76,019,464.76

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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.