Home / 144,540,851.54-199,466,630.08-78,461,395.56

Finding the Fourth Proportional to 144,540,851.54, 199,466,630.08 and 78,461,395.56

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Solution

The fourth proportional to 144,540,851.54, 199,466,630.08 and 78,461,395.56 is: 108,276,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,540,851.54 : 199,466,630.08 = 78,461,395.56 : x
  2. Step 2: Convert to fraction form
    144,540,851.54/199,466,630.08 = 78,461,395.56/x
  3. Step 3: Cross multiply
    144,540,851.54x = 199,466,630.08 × 78,461,395.56
  4. Step 4: Simplify right side
    144,540,851.54x = 15,650,430,163,530,920
  5. Step 5: Solve for x
    x = 15,650,430,163,530,920/144,540,851.54
  6. Step 6: Final answer
    x = 108,276,864.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.