Home / 81,495,764.42-112,453,947.15-55,091,568.41

Finding the Fourth Proportional to 81,495,764.42, 112,453,947.15 and 55,091,568.41

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Solution

The fourth proportional to 81,495,764.42, 112,453,947.15 and 55,091,568.41 is: 76,019,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,495,764.42 : 112,453,947.15 = 55,091,568.41 : x
  2. Step 2: Convert to fraction form
    81,495,764.42/112,453,947.15 = 55,091,568.41/x
  3. Step 3: Cross multiply
    81,495,764.42x = 112,453,947.15 × 55,091,568.41
  4. Step 4: Simplify right side
    81,495,764.42x = 6,195,264,322,351,754
  5. Step 5: Solve for x
    x = 6,195,264,322,351,754/81,495,764.42
  6. Step 6: Final answer
    x = 76,019,463.91

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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.