Home / 144,591,484.66-199,541,970.14-81,012,372.28

Finding the Fourth Proportional to 144,591,484.66, 199,541,970.14 and 81,012,372.28

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Solution

The fourth proportional to 144,591,484.66, 199,541,970.14 and 81,012,372.28 is: 111,800,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,591,484.66 : 199,541,970.14 = 81,012,372.28 : x
  2. Step 2: Convert to fraction form
    144,591,484.66/199,541,970.14 = 81,012,372.28/x
  3. Step 3: Cross multiply
    144,591,484.66x = 199,541,970.14 × 81,012,372.28
  4. Step 4: Simplify right side
    144,591,484.66x = 16,165,368,370,466,322
  5. Step 5: Solve for x
    x = 16,165,368,370,466,322/144,591,484.66
  6. Step 6: Final answer
    x = 111,800,279.31

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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.