Home / 139,344,786.37-192,301,345.97-76,626,026.35

Finding the Fourth Proportional to 139,344,786.37, 192,301,345.97 and 76,626,026.35

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Solution

The fourth proportional to 139,344,786.37, 192,301,345.97 and 76,626,026.35 is: 105,746,963.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,344,786.37 : 192,301,345.97 = 76,626,026.35 : x
  2. Step 2: Convert to fraction form
    139,344,786.37/192,301,345.97 = 76,626,026.35/x
  3. Step 3: Cross multiply
    139,344,786.37x = 192,301,345.97 × 76,626,026.35
  4. Step 4: Simplify right side
    139,344,786.37x = 14,735,288,002,861,150
  5. Step 5: Solve for x
    x = 14,735,288,002,861,150/139,344,786.37
  6. Step 6: Final answer
    x = 105,746,963.25

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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.