Home / 87,652,628.19-120,949,993.89-50,494,937.77

Finding the Fourth Proportional to 87,652,628.19, 120,949,993.89 and 50,494,937.77

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Solution

The fourth proportional to 87,652,628.19, 120,949,993.89 and 50,494,937.77 is: 69,676,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,652,628.19 : 120,949,993.89 = 50,494,937.77 : x
  2. Step 2: Convert to fraction form
    87,652,628.19/120,949,993.89 = 50,494,937.77/x
  3. Step 3: Cross multiply
    87,652,628.19x = 120,949,993.89 × 50,494,937.77
  4. Step 4: Simplify right side
    87,652,628.19x = 6,107,362,414,757,431
  5. Step 5: Solve for x
    x = 6,107,362,414,757,431/87,652,628.19
  6. Step 6: Final answer
    x = 69,676,888.66

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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.