Home / 78,389,708.82-117,576,965.30-23,802,774.18

Finding the Fourth Proportional to 78,389,708.82, 117,576,965.30 and 23,802,774.18

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Solution

The fourth proportional to 78,389,708.82, 117,576,965.30 and 23,802,774.18 is: 35,701,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,708.82 : 117,576,965.30 = 23,802,774.18 : x
  2. Step 2: Convert to fraction form
    78,389,708.82/117,576,965.30 = 23,802,774.18/x
  3. Step 3: Cross multiply
    78,389,708.82x = 117,576,965.30 × 23,802,774.18
  4. Step 4: Simplify right side
    78,389,708.82x = 2,798,657,953,805,596
  5. Step 5: Solve for x
    x = 2,798,657,953,805,596/78,389,708.82
  6. Step 6: Final answer
    x = 35,701,854.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.