Home / 80,903,137.24-121,441,065.42-34,867,725.16

Finding the Fourth Proportional to 80,903,137.24, 121,441,065.42 and 34,867,725.16

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Solution

The fourth proportional to 80,903,137.24, 121,441,065.42 and 34,867,725.16 is: 52,338,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903,137.24 : 121,441,065.42 = 34,867,725.16 : x
  2. Step 2: Convert to fraction form
    80,903,137.24/121,441,065.42 = 34,867,725.16/x
  3. Step 3: Cross multiply
    80,903,137.24x = 121,441,065.42 × 34,867,725.16
  4. Step 4: Simplify right side
    80,903,137.24x = 4,234,373,692,202,139.50
  5. Step 5: Solve for x
    x = 4,234,373,692,202,139.50/80,903,137.24
  6. Step 6: Final answer
    x = 52,338,807.08

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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.