Home / 101,261,470.40-139,741,499.94-54,851,723.84

Finding the Fourth Proportional to 101,261,470.40, 139,741,499.94 and 54,851,723.84

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Solution

The fourth proportional to 101,261,470.40, 139,741,499.94 and 54,851,723.84 is: 75,695,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,261,470.40 : 139,741,499.94 = 54,851,723.84 : x
  2. Step 2: Convert to fraction form
    101,261,470.40/139,741,499.94 = 54,851,723.84/x
  3. Step 3: Cross multiply
    101,261,470.40x = 139,741,499.94 × 54,851,723.84
  4. Step 4: Simplify right side
    101,261,470.40x = 7,665,062,163,696,257
  5. Step 5: Solve for x
    x = 7,665,062,163,696,257/101,261,470.40
  6. Step 6: Final answer
    x = 75,695,742.25

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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.