Home / 140,273,493.94-193,583,399.94-78,393,830.68

Finding the Fourth Proportional to 140,273,493.94, 193,583,399.94 and 78,393,830.68

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Solution

The fourth proportional to 140,273,493.94, 193,583,399.94 and 78,393,830.68 is: 108,186,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,273,493.94 : 193,583,399.94 = 78,393,830.68 : x
  2. Step 2: Convert to fraction form
    140,273,493.94/193,583,399.94 = 78,393,830.68/x
  3. Step 3: Cross multiply
    140,273,493.94x = 193,583,399.94 × 78,393,830.68
  4. Step 4: Simplify right side
    140,273,493.94x = 15,175,744,277,355,084
  5. Step 5: Solve for x
    x = 15,175,744,277,355,084/140,273,493.94
  6. Step 6: Final answer
    x = 108,186,827.40

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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.