Home / 206,332,968.96-284,729,205.12-113,511,090.24

Finding the Fourth Proportional to 206,332,968.96, 284,729,205.12 and 113,511,090.24

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Solution

The fourth proportional to 206,332,968.96, 284,729,205.12 and 113,511,090.24 is: 156,639,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,332,968.96 : 284,729,205.12 = 113,511,090.24 : x
  2. Step 2: Convert to fraction form
    206,332,968.96/284,729,205.12 = 113,511,090.24/x
  3. Step 3: Cross multiply
    206,332,968.96x = 284,729,205.12 × 113,511,090.24
  4. Step 4: Simplify right side
    206,332,968.96x = 32,319,922,496,339,788
  5. Step 5: Solve for x
    x = 32,319,922,496,339,788/206,332,968.96
  6. Step 6: Final answer
    x = 156,639,642.51

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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.