Home / 298,956,086.60-448,434,129.90-161,206,579.40

Finding the Fourth Proportional to 298,956,086.60, 448,434,129.90 and 161,206,579.40

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Solution

The fourth proportional to 298,956,086.60, 448,434,129.90 and 161,206,579.40 is: 241,809,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,956,086.60 : 448,434,129.90 = 161,206,579.40 : x
  2. Step 2: Convert to fraction form
    298,956,086.60/448,434,129.90 = 161,206,579.40/x
  3. Step 3: Cross multiply
    298,956,086.60x = 448,434,129.90 × 161,206,579.40
  4. Step 4: Simplify right side
    298,956,086.60x = 72,290,532,167,394,256
  5. Step 5: Solve for x
    x = 72,290,532,167,394,256/298,956,086.60
  6. Step 6: Final answer
    x = 241,809,869.10

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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.