Home / 261,587,853.40-360,964,135.74-161,100,391

Finding the Fourth Proportional to 261,587,853.40, 360,964,135.74 and 161,100,391

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Solution

The fourth proportional to 261,587,853.40, 360,964,135.74 and 161,100,391 is: 222,301,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,587,853.40 : 360,964,135.74 = 161,100,391 : x
  2. Step 2: Convert to fraction form
    261,587,853.40/360,964,135.74 = 161,100,391/x
  3. Step 3: Cross multiply
    261,587,853.40x = 360,964,135.74 × 161,100,391
  4. Step 4: Simplify right side
    261,587,853.40x = 58,151,463,404,691,072
  5. Step 5: Solve for x
    x = 58,151,463,404,691,072/261,587,853.40
  6. Step 6: Final answer
    x = 222,301,848.69

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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.