Home / 168,086,635.17-231,959,866.05-93,751,987.01

Finding the Fourth Proportional to 168,086,635.17, 231,959,866.05 and 93,751,987.01

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Solution

The fourth proportional to 168,086,635.17, 231,959,866.05 and 93,751,987.01 is: 129,377,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,086,635.17 : 231,959,866.05 = 93,751,987.01 : x
  2. Step 2: Convert to fraction form
    168,086,635.17/231,959,866.05 = 93,751,987.01/x
  3. Step 3: Cross multiply
    168,086,635.17x = 231,959,866.05 × 93,751,987.01
  4. Step 4: Simplify right side
    168,086,635.17x = 21,746,698,347,601,140
  5. Step 5: Solve for x
    x = 21,746,698,347,601,140/168,086,635.17
  6. Step 6: Final answer
    x = 129,377,914.70

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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.