Home / 115,613,387.25-159,531,810.57-63,388,680.18

Finding the Fourth Proportional to 115,613,387.25, 159,531,810.57 and 63,388,680.18

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Solution

The fourth proportional to 115,613,387.25, 159,531,810.57 and 63,388,680.18 is: 87,468,338.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,613,387.25 : 159,531,810.57 = 63,388,680.18 : x
  2. Step 2: Convert to fraction form
    115,613,387.25/159,531,810.57 = 63,388,680.18/x
  3. Step 3: Cross multiply
    115,613,387.25x = 159,531,810.57 × 63,388,680.18
  4. Step 4: Simplify right side
    115,613,387.25x = 10,112,510,918,758,074
  5. Step 5: Solve for x
    x = 10,112,510,918,758,074/115,613,387.25
  6. Step 6: Final answer
    x = 87,468,338.74

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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.