Home / 217,764,015.10-326,646,022.65-140,669,640.70

Finding the Fourth Proportional to 217,764,015.10, 326,646,022.65 and 140,669,640.70

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Solution

The fourth proportional to 217,764,015.10, 326,646,022.65 and 140,669,640.70 is: 211,004,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,764,015.10 : 326,646,022.65 = 140,669,640.70 : x
  2. Step 2: Convert to fraction form
    217,764,015.10/326,646,022.65 = 140,669,640.70/x
  3. Step 3: Cross multiply
    217,764,015.10x = 326,646,022.65 × 140,669,640.70
  4. Step 4: Simplify right side
    217,764,015.10x = 45,949,178,642,259,552
  5. Step 5: Solve for x
    x = 45,949,178,642,259,552/217,764,015.10
  6. Step 6: Final answer
    x = 211,004,461.05

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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.