Home / 258,450,310.23-356,662,536.98-140,978,200.47

Finding the Fourth Proportional to 258,450,310.23, 356,662,536.98 and 140,978,200.47

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Solution

The fourth proportional to 258,450,310.23, 356,662,536.98 and 140,978,200.47 is: 194,550,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,450,310.23 : 356,662,536.98 = 140,978,200.47 : x
  2. Step 2: Convert to fraction form
    258,450,310.23/356,662,536.98 = 140,978,200.47/x
  3. Step 3: Cross multiply
    258,450,310.23x = 356,662,536.98 × 140,978,200.47
  4. Step 4: Simplify right side
    258,450,310.23x = 50,281,642,637,800,344
  5. Step 5: Solve for x
    x = 50,281,642,637,800,344/258,450,310.23
  6. Step 6: Final answer
    x = 194,550,521.50

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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.