Home / 106,462,819.77-159,750,493.35-75,538,331.28

Finding the Fourth Proportional to 106,462,819.77, 159,750,493.35 and 75,538,331.28

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Solution

The fourth proportional to 106,462,819.77, 159,750,493.35 and 75,538,331.28 is: 113,347,417.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,462,819.77 : 159,750,493.35 = 75,538,331.28 : x
  2. Step 2: Convert to fraction form
    106,462,819.77/159,750,493.35 = 75,538,331.28/x
  3. Step 3: Cross multiply
    106,462,819.77x = 159,750,493.35 × 75,538,331.28
  4. Step 4: Simplify right side
    106,462,819.77x = 12,067,285,688,815,736
  5. Step 5: Solve for x
    x = 12,067,285,688,815,736/106,462,819.77
  6. Step 6: Final answer
    x = 113,347,417.58

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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.