Home / 115,699,255.68-159,664,530.96-63,489,164.16

Finding the Fourth Proportional to 115,699,255.68, 159,664,530.96 and 63,489,164.16

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Solution

The fourth proportional to 115,699,255.68, 159,664,530.96 and 63,489,164.16 is: 87,614,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,699,255.68 : 159,664,530.96 = 63,489,164.16 : x
  2. Step 2: Convert to fraction form
    115,699,255.68/159,664,530.96 = 63,489,164.16/x
  3. Step 3: Cross multiply
    115,699,255.68x = 159,664,530.96 × 63,489,164.16
  4. Step 4: Simplify right side
    115,699,255.68x = 10,136,967,616,648,842
  5. Step 5: Solve for x
    x = 10,136,967,616,648,842/115,699,255.68
  6. Step 6: Final answer
    x = 87,614,804.06

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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.