Home / 40,129,930,694.28-60,155,135,208.48-18,844,275,907.68

Finding the Fourth Proportional to 40,129,930,694.28, 60,155,135,208.48 and 18,844,275,907.68

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Solution

The fourth proportional to 40,129,930,694.28, 60,155,135,208.48 and 18,844,275,907.68 is: 28,247,742,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129,930,694.28 : 60,155,135,208.48 = 18,844,275,907.68 : x
  2. Step 2: Convert to fraction form
    40,129,930,694.28/60,155,135,208.48 = 18,844,275,907.68/x
  3. Step 3: Cross multiply
    40,129,930,694.28x = 60,155,135,208.48 × 18,844,275,907.68
  4. Step 4: Simplify right side
    40,129,930,694.28x = 1,133,579,965,132,392,628,224
  5. Step 5: Solve for x
    x = 1,133,579,965,132,392,628,224/40,129,930,694.28
  6. Step 6: Final answer
    x = 28,247,742,907.12

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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.