Home / 87,893,967-121,280,696.46-48,736,028.64

Finding the Fourth Proportional to 87,893,967, 121,280,696.46 and 48,736,028.64

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Solution

The fourth proportional to 87,893,967, 121,280,696.46 and 48,736,028.64 is: 67,248,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,893,967 : 121,280,696.46 = 48,736,028.64 : x
  2. Step 2: Convert to fraction form
    87,893,967/121,280,696.46 = 48,736,028.64/x
  3. Step 3: Cross multiply
    87,893,967x = 121,280,696.46 × 48,736,028.64
  4. Step 4: Simplify right side
    87,893,967x = 5,910,739,496,153,706
  5. Step 5: Solve for x
    x = 5,910,739,496,153,706/87,893,967
  6. Step 6: Final answer
    x = 67,248,523.40

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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.