Home / 169,846,216.20-254,391,410.70-139,613,128.20

Finding the Fourth Proportional to 169,846,216.20, 254,391,410.70 and 139,613,128.20

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Solution

The fourth proportional to 169,846,216.20, 254,391,410.70 and 139,613,128.20 is: 209,109,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,846,216.20 : 254,391,410.70 = 139,613,128.20 : x
  2. Step 2: Convert to fraction form
    169,846,216.20/254,391,410.70 = 139,613,128.20/x
  3. Step 3: Cross multiply
    169,846,216.20x = 254,391,410.70 × 139,613,128.20
  4. Step 4: Simplify right side
    169,846,216.20x = 35,516,380,635,037,948
  5. Step 5: Solve for x
    x = 35,516,380,635,037,948/169,846,216.20
  6. Step 6: Final answer
    x = 209,109,048.35

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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.