Home / 87,652,627.19-120,949,992.51-50,494,936.77

Finding the Fourth Proportional to 87,652,627.19, 120,949,992.51 and 50,494,936.77

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Solution

The fourth proportional to 87,652,627.19, 120,949,992.51 and 50,494,936.77 is: 69,676,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,652,627.19 : 120,949,992.51 = 50,494,936.77 : x
  2. Step 2: Convert to fraction form
    87,652,627.19/120,949,992.51 = 50,494,936.77/x
  3. Step 3: Cross multiply
    87,652,627.19x = 120,949,992.51 × 50,494,936.77
  4. Step 4: Simplify right side
    87,652,627.19x = 6,107,362,224,124,424
  5. Step 5: Solve for x
    x = 6,107,362,224,124,424/87,652,627.19
  6. Step 6: Final answer
    x = 69,676,887.28

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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.