Home / 87,760,716.94-121,051,474.55-56,438,366.56

Finding the Fourth Proportional to 87,760,716.94, 121,051,474.55 and 56,438,366.56

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Solution

The fourth proportional to 87,760,716.94, 121,051,474.55 and 56,438,366.56 is: 77,847,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,760,716.94 : 121,051,474.55 = 56,438,366.56 : x
  2. Step 2: Convert to fraction form
    87,760,716.94/121,051,474.55 = 56,438,366.56/x
  3. Step 3: Cross multiply
    87,760,716.94x = 121,051,474.55 × 56,438,366.56
  4. Step 4: Simplify right side
    87,760,716.94x = 6,831,947,492,908,234
  5. Step 5: Solve for x
    x = 6,831,947,492,908,234/87,760,716.94
  6. Step 6: Final answer
    x = 77,847,443.95

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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.