Home / 66,379,742.26-91,543,167.56-45,502,115.38

Finding the Fourth Proportional to 66,379,742.26, 91,543,167.56 and 45,502,115.38

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Solution

The fourth proportional to 66,379,742.26, 91,543,167.56 and 45,502,115.38 is: 62,751,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,379,742.26 : 91,543,167.56 = 45,502,115.38 : x
  2. Step 2: Convert to fraction form
    66,379,742.26/91,543,167.56 = 45,502,115.38/x
  3. Step 3: Cross multiply
    66,379,742.26x = 91,543,167.56 × 45,502,115.38
  4. Step 4: Simplify right side
    66,379,742.26x = 4,165,407,772,338,283
  5. Step 5: Solve for x
    x = 4,165,407,772,338,283/66,379,742.26
  6. Step 6: Final answer
    x = 62,751,189.30

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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.