Home / 160,206,157.44-221,088,844.51-90,601,947

Finding the Fourth Proportional to 160,206,157.44, 221,088,844.51 and 90,601,947

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Solution

The fourth proportional to 160,206,157.44, 221,088,844.51 and 90,601,947 is: 125,033,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,206,157.44 : 221,088,844.51 = 90,601,947 : x
  2. Step 2: Convert to fraction form
    160,206,157.44/221,088,844.51 = 90,601,947/x
  3. Step 3: Cross multiply
    160,206,157.44x = 221,088,844.51 × 90,601,947
  4. Step 4: Simplify right side
    160,206,157.44x = 20,031,079,772,359,756
  5. Step 5: Solve for x
    x = 20,031,079,772,359,756/160,206,157.44
  6. Step 6: Final answer
    x = 125,033,145.37

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1.5x scale

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.