Home / 261,587,851.40-360,964,132.98-161,100,389

Finding the Fourth Proportional to 261,587,851.40, 360,964,132.98 and 161,100,389

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Solution

The fourth proportional to 261,587,851.40, 360,964,132.98 and 161,100,389 is: 222,301,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,587,851.40 : 360,964,132.98 = 161,100,389 : x
  2. Step 2: Convert to fraction form
    261,587,851.40/360,964,132.98 = 161,100,389/x
  3. Step 3: Cross multiply
    261,587,851.40x = 360,964,132.98 × 161,100,389
  4. Step 4: Simplify right side
    261,587,851.40x = 58,151,462,238,125,736
  5. Step 5: Solve for x
    x = 58,151,462,238,125,736/261,587,851.40
  6. Step 6: Final answer
    x = 222,301,845.93

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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.