Home / 90,081,022.97-124,308,481.33-48,827,029.61

Finding the Fourth Proportional to 90,081,022.97, 124,308,481.33 and 48,827,029.61

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Solution

The fourth proportional to 90,081,022.97, 124,308,481.33 and 48,827,029.61 is: 67,379,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,081,022.97 : 124,308,481.33 = 48,827,029.61 : x
  2. Step 2: Convert to fraction form
    90,081,022.97/124,308,481.33 = 48,827,029.61/x
  3. Step 3: Cross multiply
    90,081,022.97x = 124,308,481.33 × 48,827,029.61
  4. Step 4: Simplify right side
    90,081,022.97x = 6,069,613,898,674,042
  5. Step 5: Solve for x
    x = 6,069,613,898,674,042/90,081,022.97
  6. Step 6: Final answer
    x = 67,379,495.69

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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.