Home / 269,089,589.60-403,613,389.20-105,295,536.80

Finding the Fourth Proportional to 269,089,589.60, 403,613,389.20 and 105,295,536.80

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Solution

The fourth proportional to 269,089,589.60, 403,613,389.20 and 105,295,536.80 is: 157,935,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,089,589.60 : 403,613,389.20 = 105,295,536.80 : x
  2. Step 2: Convert to fraction form
    269,089,589.60/403,613,389.20 = 105,295,536.80/x
  3. Step 3: Cross multiply
    269,089,589.60x = 403,613,389.20 × 105,295,536.80
  4. Step 4: Simplify right side
    269,089,589.60x = 42,498,688,475,481,320
  5. Step 5: Solve for x
    x = 42,498,688,475,481,320/269,089,589.60
  6. Step 6: Final answer
    x = 157,935,089.72

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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.