Home / 78,389,691.67-117,576,939.50-23,802,757.00

Finding the Fourth Proportional to 78,389,691.67, 117,576,939.50 and 23,802,757.00

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Solution

The fourth proportional to 78,389,691.67, 117,576,939.50 and 23,802,757.00 is: 35,701,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,691.67 : 117,576,939.50 = 23,802,757.00 : x
  2. Step 2: Convert to fraction form
    78,389,691.67/117,576,939.50 = 23,802,757.00/x
  3. Step 3: Cross multiply
    78,389,691.67x = 117,576,939.50 × 23,802,757.00
  4. Step 4: Simplify right side
    78,389,691.67x = 2,798,655,319,532,515
  5. Step 5: Solve for x
    x = 2,798,655,319,532,515/78,389,691.67
  6. Step 6: Final answer
    x = 35,701,828.39

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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.