Home / 261,587,853.90-360,964,136.43-161,100,391.50

Finding the Fourth Proportional to 261,587,853.90, 360,964,136.43 and 161,100,391.50

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Solution

The fourth proportional to 261,587,853.90, 360,964,136.43 and 161,100,391.50 is: 222,301,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,587,853.90 : 360,964,136.43 = 161,100,391.50 : x
  2. Step 2: Convert to fraction form
    261,587,853.90/360,964,136.43 = 161,100,391.50/x
  3. Step 3: Cross multiply
    261,587,853.90x = 360,964,136.43 × 161,100,391.50
  4. Step 4: Simplify right side
    261,587,853.90x = 58,151,463,696,332,416
  5. Step 5: Solve for x
    x = 58,151,463,696,332,416/261,587,853.90
  6. Step 6: Final answer
    x = 222,301,849.38

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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.