Home / 119,660,321.28-179,509,039.96-50,573,415.70

Finding the Fourth Proportional to 119,660,321.28, 179,509,039.96 and 50,573,415.70

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Solution

The fourth proportional to 119,660,321.28, 179,509,039.96 and 50,573,415.70 is: 75,867,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,660,321.28 : 179,509,039.96 = 50,573,415.70 : x
  2. Step 2: Convert to fraction form
    119,660,321.28/179,509,039.96 = 50,573,415.70/x
  3. Step 3: Cross multiply
    119,660,321.28x = 179,509,039.96 × 50,573,415.70
  4. Step 4: Simplify right side
    119,660,321.28x = 9,078,385,299,804,992
  5. Step 5: Solve for x
    x = 9,078,385,299,804,992/119,660,321.28
  6. Step 6: Final answer
    x = 75,867,966.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.