Home / 80,846,046.32-121,224,782.73-39,815,258.18

Finding the Fourth Proportional to 80,846,046.32, 121,224,782.73 and 39,815,258.18

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Solution

The fourth proportional to 80,846,046.32, 121,224,782.73 and 39,815,258.18 is: 59,701,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,846,046.32 : 121,224,782.73 = 39,815,258.18 : x
  2. Step 2: Convert to fraction form
    80,846,046.32/121,224,782.73 = 39,815,258.18/x
  3. Step 3: Cross multiply
    80,846,046.32x = 121,224,782.73 × 39,815,258.18
  4. Step 4: Simplify right side
    80,846,046.32x = 4,826,596,022,209,355
  5. Step 5: Solve for x
    x = 4,826,596,022,209,355/80,846,046.32
  6. Step 6: Final answer
    x = 59,701,076.82

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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.