Home / 168,496,667.40-252,745,001.10-139,775,233.80

Finding the Fourth Proportional to 168,496,667.40, 252,745,001.10 and 139,775,233.80

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Solution

The fourth proportional to 168,496,667.40, 252,745,001.10 and 139,775,233.80 is: 209,662,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,496,667.40 : 252,745,001.10 = 139,775,233.80 : x
  2. Step 2: Convert to fraction form
    168,496,667.40/252,745,001.10 = 139,775,233.80/x
  3. Step 3: Cross multiply
    168,496,667.40x = 252,745,001.10 × 139,775,233.80
  4. Step 4: Simplify right side
    168,496,667.40x = 35,327,491,620,533,760
  5. Step 5: Solve for x
    x = 35,327,491,620,533,760/168,496,667.40
  6. Step 6: Final answer
    x = 209,662,850.70

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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.