Home / 87,791,035.61-121,126,892.54-50,618,394.32

Finding the Fourth Proportional to 87,791,035.61, 121,126,892.54 and 50,618,394.32

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Solution

The fourth proportional to 87,791,035.61, 121,126,892.54 and 50,618,394.32 is: 69,839,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,791,035.61 : 121,126,892.54 = 50,618,394.32 : x
  2. Step 2: Convert to fraction form
    87,791,035.61/121,126,892.54 = 50,618,394.32/x
  3. Step 3: Cross multiply
    87,791,035.61x = 121,126,892.54 × 50,618,394.32
  4. Step 4: Simplify right side
    87,791,035.61x = 6,131,248,808,487,259
  5. Step 5: Solve for x
    x = 6,131,248,808,487,259/87,791,035.61
  6. Step 6: Final answer
    x = 69,839,121.57

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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.