Home / 73,107,235,083.10-100,872,876,741.21-42,206,984,449.78

Finding the Fourth Proportional to 73,107,235,083.10, 100,872,876,741.21 and 42,206,984,449.78

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Solution

The fourth proportional to 73,107,235,083.10, 100,872,876,741.21 and 42,206,984,449.78 is: 58,236,916,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,107,235,083.10 : 100,872,876,741.21 = 42,206,984,449.78 : x
  2. Step 2: Convert to fraction form
    73,107,235,083.10/100,872,876,741.21 = 42,206,984,449.78/x
  3. Step 3: Cross multiply
    73,107,235,083.10x = 100,872,876,741.21 × 42,206,984,449.78
  4. Step 4: Simplify right side
    73,107,235,083.10x = 4,257,539,940,020,825,096,192
  5. Step 5: Solve for x
    x = 4,257,539,940,020,825,096,192/73,107,235,083.10
  6. Step 6: Final answer
    x = 58,236,916,430.79

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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.