Home / 258,450,306.48-356,662,531.80-140,978,196.72

Finding the Fourth Proportional to 258,450,306.48, 356,662,531.80 and 140,978,196.72

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Solution

The fourth proportional to 258,450,306.48, 356,662,531.80 and 140,978,196.72 is: 194,550,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,450,306.48 : 356,662,531.80 = 140,978,196.72 : x
  2. Step 2: Convert to fraction form
    258,450,306.48/356,662,531.80 = 140,978,196.72/x
  3. Step 3: Cross multiply
    258,450,306.48x = 356,662,531.80 × 140,978,196.72
  4. Step 4: Simplify right side
    258,450,306.48x = 50,281,640,570,753,656
  5. Step 5: Solve for x
    x = 50,281,640,570,753,656/258,450,306.48
  6. Step 6: Final answer
    x = 194,550,516.33

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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.