Home / 87,004,532.16-120,032,272.51-49,814,936.85

Finding the Fourth Proportional to 87,004,532.16, 120,032,272.51 and 49,814,936.85

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Solution

The fourth proportional to 87,004,532.16, 120,032,272.51 and 49,814,936.85 is: 68,725,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,004,532.16 : 120,032,272.51 = 49,814,936.85 : x
  2. Step 2: Convert to fraction form
    87,004,532.16/120,032,272.51 = 49,814,936.85/x
  3. Step 3: Cross multiply
    87,004,532.16x = 120,032,272.51 × 49,814,936.85
  4. Step 4: Simplify right side
    87,004,532.16x = 5,979,400,075,373,224
  5. Step 5: Solve for x
    x = 5,979,400,075,373,224/87,004,532.16
  6. Step 6: Final answer
    x = 68,725,156.34

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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.