Home / 103,661,509.20-143,050,144.68-57,250,764.24

Finding the Fourth Proportional to 103,661,509.20, 143,050,144.68 and 57,250,764.24

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Solution

The fourth proportional to 103,661,509.20, 143,050,144.68 and 57,250,764.24 is: 79,004,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,661,509.20 : 143,050,144.68 = 57,250,764.24 : x
  2. Step 2: Convert to fraction form
    103,661,509.20/143,050,144.68 = 57,250,764.24/x
  3. Step 3: Cross multiply
    103,661,509.20x = 143,050,144.68 × 57,250,764.24
  4. Step 4: Simplify right side
    103,661,509.20x = 8,189,730,107,572,571
  5. Step 5: Solve for x
    x = 8,189,730,107,572,571/103,661,509.20
  6. Step 6: Final answer
    x = 79,004,542.48

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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.