Home / 217,188,441.37-299,438,726.77-140,670,562.87

Finding the Fourth Proportional to 217,188,441.37, 299,438,726.77 and 140,670,562.87

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Solution

The fourth proportional to 217,188,441.37, 299,438,726.77 and 140,670,562.87 is: 193,943,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,188,441.37 : 299,438,726.77 = 140,670,562.87 : x
  2. Step 2: Convert to fraction form
    217,188,441.37/299,438,726.77 = 140,670,562.87/x
  3. Step 3: Cross multiply
    217,188,441.37x = 299,438,726.77 × 140,670,562.87
  4. Step 4: Simplify right side
    217,188,441.37x = 42,122,214,239,108,680
  5. Step 5: Solve for x
    x = 42,122,214,239,108,680/217,188,441.37
  6. Step 6: Final answer
    x = 193,943,167.39

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1.5x scale

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.