Home / 168,401,719.20-252,602,578.80-143,742,856.80

Finding the Fourth Proportional to 168,401,719.20, 252,602,578.80 and 143,742,856.80

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Solution

The fourth proportional to 168,401,719.20, 252,602,578.80 and 143,742,856.80 is: 215,614,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,401,719.20 : 252,602,578.80 = 143,742,856.80 : x
  2. Step 2: Convert to fraction form
    168,401,719.20/252,602,578.80 = 143,742,856.80/x
  3. Step 3: Cross multiply
    168,401,719.20x = 252,602,578.80 × 143,742,856.80
  4. Step 4: Simplify right side
    168,401,719.20x = 36,309,816,311,759,120
  5. Step 5: Solve for x
    x = 36,309,816,311,759,120/168,401,719.20
  6. Step 6: Final answer
    x = 215,614,285.20

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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.