Home / 115,613,389.75-159,531,814.02-63,388,682.68

Finding the Fourth Proportional to 115,613,389.75, 159,531,814.02 and 63,388,682.68

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Solution

The fourth proportional to 115,613,389.75, 159,531,814.02 and 63,388,682.68 is: 87,468,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,613,389.75 : 159,531,814.02 = 63,388,682.68 : x
  2. Step 2: Convert to fraction form
    115,613,389.75/159,531,814.02 = 63,388,682.68/x
  3. Step 3: Cross multiply
    115,613,389.75x = 159,531,814.02 × 63,388,682.68
  4. Step 4: Simplify right side
    115,613,389.75x = 10,112,511,536,278,556
  5. Step 5: Solve for x
    x = 10,112,511,536,278,556/115,613,389.75
  6. Step 6: Final answer
    x = 87,468,342.19

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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.