Home / 122,944,144.32-169,663,448.16-67,190,708.16

Finding the Fourth Proportional to 122,944,144.32, 169,663,448.16 and 67,190,708.16

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Solution

The fourth proportional to 122,944,144.32, 169,663,448.16 and 67,190,708.16 is: 92,723,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,944,144.32 : 169,663,448.16 = 67,190,708.16 : x
  2. Step 2: Convert to fraction form
    122,944,144.32/169,663,448.16 = 67,190,708.16/x
  3. Step 3: Cross multiply
    122,944,144.32x = 169,663,448.16 × 67,190,708.16
  4. Step 4: Simplify right side
    122,944,144.32x = 11,399,807,230,737,848
  5. Step 5: Solve for x
    x = 11,399,807,230,737,848/122,944,144.32
  6. Step 6: Final answer
    x = 92,723,466.37

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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.