Home / 73,107,235,082.10-100,872,876,739.83-42,206,984,448.78

Finding the Fourth Proportional to 73,107,235,082.10, 100,872,876,739.83 and 42,206,984,448.78

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Solution

The fourth proportional to 73,107,235,082.10, 100,872,876,739.83 and 42,206,984,448.78 is: 58,236,916,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,107,235,082.10 : 100,872,876,739.83 = 42,206,984,448.78 : x
  2. Step 2: Convert to fraction form
    73,107,235,082.10/100,872,876,739.83 = 42,206,984,448.78/x
  3. Step 3: Cross multiply
    73,107,235,082.10x = 100,872,876,739.83 × 42,206,984,448.78
  4. Step 4: Simplify right side
    73,107,235,082.10x = 4,257,539,939,861,404,319,744
  5. Step 5: Solve for x
    x = 4,257,539,939,861,404,319,744/73,107,235,082.10
  6. Step 6: Final answer
    x = 58,236,916,429.41

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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.