Home / 87,829,965.56-121,208,009.99-48,668,078.27

Finding the Fourth Proportional to 87,829,965.56, 121,208,009.99 and 48,668,078.27

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Solution

The fourth proportional to 87,829,965.56, 121,208,009.99 and 48,668,078.27 is: 67,163,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,829,965.56 : 121,208,009.99 = 48,668,078.27 : x
  2. Step 2: Convert to fraction form
    87,829,965.56/121,208,009.99 = 48,668,078.27/x
  3. Step 3: Cross multiply
    87,829,965.56x = 121,208,009.99 × 48,668,078.27
  4. Step 4: Simplify right side
    87,829,965.56x = 5,898,960,917,203,942
  5. Step 5: Solve for x
    x = 5,898,960,917,203,942/87,829,965.56
  6. Step 6: Final answer
    x = 67,163,420.59

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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.