Home / 115,675,175.59-159,631,742.25-66,116,613.35

Finding the Fourth Proportional to 115,675,175.59, 159,631,742.25 and 66,116,613.35

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Solution

The fourth proportional to 115,675,175.59, 159,631,742.25 and 66,116,613.35 is: 91,240,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,675,175.59 : 159,631,742.25 = 66,116,613.35 : x
  2. Step 2: Convert to fraction form
    115,675,175.59/159,631,742.25 = 66,116,613.35/x
  3. Step 3: Cross multiply
    115,675,175.59x = 159,631,742.25 × 66,116,613.35
  4. Step 4: Simplify right side
    115,675,175.59x = 10,554,310,181,129,188
  5. Step 5: Solve for x
    x = 10,554,310,181,129,188/115,675,175.59
  6. Step 6: Final answer
    x = 91,240,926.39

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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.