Home / 145,244,874.96-200,436,632.60-79,165,369.80

Finding the Fourth Proportional to 145,244,874.96, 200,436,632.60 and 79,165,369.80

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Solution

The fourth proportional to 145,244,874.96, 200,436,632.60 and 79,165,369.80 is: 109,247,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,244,874.96 : 200,436,632.60 = 79,165,369.80 : x
  2. Step 2: Convert to fraction form
    145,244,874.96/200,436,632.60 = 79,165,369.80/x
  3. Step 3: Cross multiply
    145,244,874.96x = 200,436,632.60 × 79,165,369.80
  4. Step 4: Simplify right side
    145,244,874.96x = 15,867,640,140,849,908
  5. Step 5: Solve for x
    x = 15,867,640,140,849,908/145,244,874.96
  6. Step 6: Final answer
    x = 109,247,504.57

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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.