Home / 149,288,410.70-223,932,616.05-84,718,329.20

Finding the Fourth Proportional to 149,288,410.70, 223,932,616.05 and 84,718,329.20

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Solution

The fourth proportional to 149,288,410.70, 223,932,616.05 and 84,718,329.20 is: 127,077,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,288,410.70 : 223,932,616.05 = 84,718,329.20 : x
  2. Step 2: Convert to fraction form
    149,288,410.70/223,932,616.05 = 84,718,329.20/x
  3. Step 3: Cross multiply
    149,288,410.70x = 223,932,616.05 × 84,718,329.20
  4. Step 4: Simplify right side
    149,288,410.70x = 18,971,197,085,141,104
  5. Step 5: Solve for x
    x = 18,971,197,085,141,104/149,288,410.70
  6. Step 6: Final answer
    x = 127,077,493.80

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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.