Home / 78,389,693.40-117,576,942.13-23,802,758.75

Finding the Fourth Proportional to 78,389,693.40, 117,576,942.13 and 23,802,758.75

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Solution

The fourth proportional to 78,389,693.40, 117,576,942.13 and 23,802,758.75 is: 35,701,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,693.40 : 117,576,942.13 = 23,802,758.75 : x
  2. Step 2: Convert to fraction form
    78,389,693.40/117,576,942.13 = 23,802,758.75/x
  3. Step 3: Cross multiply
    78,389,693.40x = 117,576,942.13 × 23,802,758.75
  4. Step 4: Simplify right side
    78,389,693.40x = 2,798,655,588,083,101
  5. Step 5: Solve for x
    x = 2,798,655,588,083,101/78,389,693.40
  6. Step 6: Final answer
    x = 35,701,831.03

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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.