Home / 140,273,497.94-193,583,405.44-78,393,834.68

Finding the Fourth Proportional to 140,273,497.94, 193,583,405.44 and 78,393,834.68

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Solution

The fourth proportional to 140,273,497.94, 193,583,405.44 and 78,393,834.68 is: 108,186,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,273,497.94 : 193,583,405.44 = 78,393,834.68 : x
  2. Step 2: Convert to fraction form
    140,273,497.94/193,583,405.44 = 78,393,834.68/x
  3. Step 3: Cross multiply
    140,273,497.94x = 193,583,405.44 × 78,393,834.68
  4. Step 4: Simplify right side
    140,273,497.94x = 15,175,745,482,854,774
  5. Step 5: Solve for x
    x = 15,175,745,482,854,774/140,273,497.94
  6. Step 6: Final answer
    x = 108,186,832.91

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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.