Home / 278,010,221.40-417,214,397.70-116,568,019.80

Finding the Fourth Proportional to 278,010,221.40, 417,214,397.70 and 116,568,019.80

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Solution

The fourth proportional to 278,010,221.40, 417,214,397.70 and 116,568,019.80 is: 174,935,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,010,221.40 : 417,214,397.70 = 116,568,019.80 : x
  2. Step 2: Convert to fraction form
    278,010,221.40/417,214,397.70 = 116,568,019.80/x
  3. Step 3: Cross multiply
    278,010,221.40x = 417,214,397.70 × 116,568,019.80
  4. Step 4: Simplify right side
    278,010,221.40x = 48,633,856,171,938,672
  5. Step 5: Solve for x
    x = 48,633,856,171,938,672/278,010,221.40
  6. Step 6: Final answer
    x = 174,935,496.71

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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.