Home / 140,808,974.58-194,328,367.29-78,941,270.52

Finding the Fourth Proportional to 140,808,974.58, 194,328,367.29 and 78,941,270.52

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Solution

The fourth proportional to 140,808,974.58, 194,328,367.29 and 78,941,270.52 is: 108,945,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,808,974.58 : 194,328,367.29 = 78,941,270.52 : x
  2. Step 2: Convert to fraction form
    140,808,974.58/194,328,367.29 = 78,941,270.52/x
  3. Step 3: Cross multiply
    140,808,974.58x = 194,328,367.29 × 78,941,270.52
  4. Step 4: Simplify right side
    140,808,974.58x = 15,340,528,211,949,808
  5. Step 5: Solve for x
    x = 15,340,528,211,949,808/140,808,974.58
  6. Step 6: Final answer
    x = 108,945,670.95

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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.