Home / 78,982,099.62-118,485,771.15-24,381,851.28

Finding the Fourth Proportional to 78,982,099.62, 118,485,771.15 and 24,381,851.28

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Solution

The fourth proportional to 78,982,099.62, 118,485,771.15 and 24,381,851.28 is: 36,576,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,982,099.62 : 118,485,771.15 = 24,381,851.28 : x
  2. Step 2: Convert to fraction form
    78,982,099.62/118,485,771.15 = 24,381,851.28/x
  3. Step 3: Cross multiply
    78,982,099.62x = 118,485,771.15 × 24,381,851.28
  4. Step 4: Simplify right side
    78,982,099.62x = 2,888,902,450,975,415
  5. Step 5: Solve for x
    x = 2,888,902,450,975,415/78,982,099.62
  6. Step 6: Final answer
    x = 36,576,673.26

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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.