Home / 262,238,579.91-361,887,399.27-143,161,172.12

Finding the Fourth Proportional to 262,238,579.91, 361,887,399.27 and 143,161,172.12

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Solution

The fourth proportional to 262,238,579.91, 361,887,399.27 and 143,161,172.12 is: 197,561,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,238,579.91 : 361,887,399.27 = 143,161,172.12 : x
  2. Step 2: Convert to fraction form
    262,238,579.91/361,887,399.27 = 143,161,172.12/x
  3. Step 3: Cross multiply
    262,238,579.91x = 361,887,399.27 × 143,161,172.12
  4. Step 4: Simplify right side
    262,238,579.91x = 51,808,224,255,856,352
  5. Step 5: Solve for x
    x = 51,808,224,255,856,352/262,238,579.91
  6. Step 6: Final answer
    x = 197,561,412.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.