Home / 78,389,696.36-117,576,946.52-23,802,761.69

Finding the Fourth Proportional to 78,389,696.36, 117,576,946.52 and 23,802,761.69

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Solution

The fourth proportional to 78,389,696.36, 117,576,946.52 and 23,802,761.69 is: 35,701,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,696.36 : 117,576,946.52 = 23,802,761.69 : x
  2. Step 2: Convert to fraction form
    78,389,696.36/117,576,946.52 = 23,802,761.69/x
  3. Step 3: Cross multiply
    78,389,696.36x = 117,576,946.52 × 23,802,761.69
  4. Step 4: Simplify right side
    78,389,696.36x = 2,798,656,037,546,536
  5. Step 5: Solve for x
    x = 2,798,656,037,546,536/78,389,696.36
  6. Step 6: Final answer
    x = 35,701,835.41

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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.