Home / 78,236,816.14-117,307,394.52-37,308,773.26

Finding the Fourth Proportional to 78,236,816.14, 117,307,394.52 and 37,308,773.26

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Solution

The fourth proportional to 78,236,816.14, 117,307,394.52 and 37,308,773.26 is: 55,940,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,236,816.14 : 117,307,394.52 = 37,308,773.26 : x
  2. Step 2: Convert to fraction form
    78,236,816.14/117,307,394.52 = 37,308,773.26/x
  3. Step 3: Cross multiply
    78,236,816.14x = 117,307,394.52 × 37,308,773.26
  4. Step 4: Simplify right side
    78,236,816.14x = 4,376,594,983,868,046
  5. Step 5: Solve for x
    x = 4,376,594,983,868,046/78,236,816.14
  6. Step 6: Final answer
    x = 55,940,351.36

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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.