Home / 203,986,613.80-281,493,318.18-111,165,117.40

Finding the Fourth Proportional to 203,986,613.80, 281,493,318.18 and 111,165,117.40

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Solution

The fourth proportional to 203,986,613.80, 281,493,318.18 and 111,165,117.40 is: 153,403,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,986,613.80 : 281,493,318.18 = 111,165,117.40 : x
  2. Step 2: Convert to fraction form
    203,986,613.80/281,493,318.18 = 111,165,117.40/x
  3. Step 3: Cross multiply
    203,986,613.80x = 281,493,318.18 × 111,165,117.40
  4. Step 4: Simplify right side
    203,986,613.80x = 31,292,237,762,795,256
  5. Step 5: Solve for x
    x = 31,292,237,762,795,256/203,986,613.80
  6. Step 6: Final answer
    x = 153,403,388.49

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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.