Home / 90,104,671.32-135,157,228.46-25,408,815.44

Finding the Fourth Proportional to 90,104,671.32, 135,157,228.46 and 25,408,815.44

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Solution

The fourth proportional to 90,104,671.32, 135,157,228.46 and 25,408,815.44 is: 38,113,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,104,671.32 : 135,157,228.46 = 25,408,815.44 : x
  2. Step 2: Convert to fraction form
    90,104,671.32/135,157,228.46 = 25,408,815.44/x
  3. Step 3: Cross multiply
    90,104,671.32x = 135,157,228.46 × 25,408,815.44
  4. Step 4: Simplify right side
    90,104,671.32x = 3,434,185,073,322,056
  5. Step 5: Solve for x
    x = 3,434,185,073,322,056/90,104,671.32
  6. Step 6: Final answer
    x = 38,113,285.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.