Home / 258,115,222,619.30-356,200,114,608.07-140,795,423,260.94

Finding the Fourth Proportional to 258,115,222,619.30, 356,200,114,608.07 and 140,795,423,260.94

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Solution

The fourth proportional to 258,115,222,619.30, 356,200,114,608.07 and 140,795,423,260.94 is: 194,298,288,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,115,222,619.30 : 356,200,114,608.07 = 140,795,423,260.94 : x
  2. Step 2: Convert to fraction form
    258,115,222,619.30/356,200,114,608.07 = 140,795,423,260.94/x
  3. Step 3: Cross multiply
    258,115,222,619.30x = 356,200,114,608.07 × 140,795,423,260.94
  4. Step 4: Simplify right side
    258,115,222,619.30x = 50,151,345,901,838,555,676,672
  5. Step 5: Solve for x
    x = 50,151,345,901,838,555,676,672/258,115,222,619.30
  6. Step 6: Final answer
    x = 194,298,288,155.63

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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.