Home / 122,944,145.32-169,663,449.54-67,190,709.16

Finding the Fourth Proportional to 122,944,145.32, 169,663,449.54 and 67,190,709.16

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Solution

The fourth proportional to 122,944,145.32, 169,663,449.54 and 67,190,709.16 is: 92,723,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,944,145.32 : 169,663,449.54 = 67,190,709.16 : x
  2. Step 2: Convert to fraction form
    122,944,145.32/169,663,449.54 = 67,190,709.16/x
  3. Step 3: Cross multiply
    122,944,145.32x = 169,663,449.54 × 67,190,709.16
  4. Step 4: Simplify right side
    122,944,145.32x = 11,399,807,493,124,474
  5. Step 5: Solve for x
    x = 11,399,807,493,124,474/122,944,145.32
  6. Step 6: Final answer
    x = 92,723,467.75

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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.