Home / 78,236,812.14-117,307,388.52-37,308,769.26

Finding the Fourth Proportional to 78,236,812.14, 117,307,388.52 and 37,308,769.26

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Solution

The fourth proportional to 78,236,812.14, 117,307,388.52 and 37,308,769.26 is: 55,940,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,236,812.14 : 117,307,388.52 = 37,308,769.26 : x
  2. Step 2: Convert to fraction form
    78,236,812.14/117,307,388.52 = 37,308,769.26/x
  3. Step 3: Cross multiply
    78,236,812.14x = 117,307,388.52 × 37,308,769.26
  4. Step 4: Simplify right side
    78,236,812.14x = 4,376,594,290,785,852.50
  5. Step 5: Solve for x
    x = 4,376,594,290,785,852.50/78,236,812.14
  6. Step 6: Final answer
    x = 55,940,345.36

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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.