Home / 262,238,580.91-361,887,400.65-143,161,173.12

Finding the Fourth Proportional to 262,238,580.91, 361,887,400.65 and 143,161,173.12

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Solution

The fourth proportional to 262,238,580.91, 361,887,400.65 and 143,161,173.12 is: 197,561,413.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,238,580.91 : 361,887,400.65 = 143,161,173.12 : x
  2. Step 2: Convert to fraction form
    262,238,580.91/361,887,400.65 = 143,161,173.12/x
  3. Step 3: Cross multiply
    262,238,580.91x = 361,887,400.65 × 143,161,173.12
  4. Step 4: Simplify right side
    262,238,580.91x = 51,808,224,814,401,448
  5. Step 5: Solve for x
    x = 51,808,224,814,401,448/262,238,580.91
  6. Step 6: Final answer
    x = 197,561,413.86

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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.