Home / 87,893,964-121,280,692.32-48,736,025.64

Finding the Fourth Proportional to 87,893,964, 121,280,692.32 and 48,736,025.64

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Solution

The fourth proportional to 87,893,964, 121,280,692.32 and 48,736,025.64 is: 67,248,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,893,964 : 121,280,692.32 = 48,736,025.64 : x
  2. Step 2: Convert to fraction form
    87,893,964/121,280,692.32 = 48,736,025.64/x
  3. Step 3: Cross multiply
    87,893,964x = 121,280,692.32 × 48,736,025.64
  4. Step 4: Simplify right side
    87,893,964x = 5,910,738,930,544,471
  5. Step 5: Solve for x
    x = 5,910,738,930,544,471/87,893,964
  6. Step 6: Final answer
    x = 67,248,519.26

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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.