Home / 225,545,613.60-338,318,420.40-139,003,399.20

Finding the Fourth Proportional to 225,545,613.60, 338,318,420.40 and 139,003,399.20

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Solution

The fourth proportional to 225,545,613.60, 338,318,420.40 and 139,003,399.20 is: 208,505,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,545,613.60 : 338,318,420.40 = 139,003,399.20 : x
  2. Step 2: Convert to fraction form
    225,545,613.60/338,318,420.40 = 139,003,399.20/x
  3. Step 3: Cross multiply
    225,545,613.60x = 338,318,420.40 × 139,003,399.20
  4. Step 4: Simplify right side
    225,545,613.60x = 47,027,410,447,574,616
  5. Step 5: Solve for x
    x = 47,027,410,447,574,616/225,545,613.60
  6. Step 6: Final answer
    x = 208,505,098.80

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1.5x scale

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.