Home / 78,389,693.67-117,576,942.50-23,802,759

Finding the Fourth Proportional to 78,389,693.67, 117,576,942.50 and 23,802,759

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Solution

The fourth proportional to 78,389,693.67, 117,576,942.50 and 23,802,759 is: 35,701,831.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,693.67 : 117,576,942.50 = 23,802,759 : x
  2. Step 2: Convert to fraction form
    78,389,693.67/117,576,942.50 = 23,802,759/x
  3. Step 3: Cross multiply
    78,389,693.67x = 117,576,942.50 × 23,802,759
  4. Step 4: Simplify right side
    78,389,693.67x = 2,798,655,626,284,357.50
  5. Step 5: Solve for x
    x = 2,798,655,626,284,357.50/78,389,693.67
  6. Step 6: Final answer
    x = 35,701,831.39

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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.