Home / 185,433,722.28-278,143,719.75-74,817,230.58

Finding the Fourth Proportional to 185,433,722.28, 278,143,719.75 and 74,817,230.58

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Solution

The fourth proportional to 185,433,722.28, 278,143,719.75 and 74,817,230.58 is: 112,223,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,433,722.28 : 278,143,719.75 = 74,817,230.58 : x
  2. Step 2: Convert to fraction form
    185,433,722.28/278,143,719.75 = 74,817,230.58/x
  3. Step 3: Cross multiply
    185,433,722.28x = 278,143,719.75 × 74,817,230.58
  4. Step 4: Simplify right side
    185,433,722.28x = 20,809,942,814,914,648
  5. Step 5: Solve for x
    x = 20,809,942,814,914,648/185,433,722.28
  6. Step 6: Final answer
    x = 112,223,076.57

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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.