Home / 55,518,366.63-76,478,450.26-47,231,889.24

Finding the Fourth Proportional to 55,518,366.63, 76,478,450.26 and 47,231,889.24

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Solution

The fourth proportional to 55,518,366.63, 76,478,450.26 and 47,231,889.24 is: 65,063,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,518,366.63 : 76,478,450.26 = 47,231,889.24 : x
  2. Step 2: Convert to fraction form
    55,518,366.63/76,478,450.26 = 47,231,889.24/x
  3. Step 3: Cross multiply
    55,518,366.63x = 76,478,450.26 × 47,231,889.24
  4. Step 4: Simplify right side
    55,518,366.63x = 3,612,221,691,927,169.50
  5. Step 5: Solve for x
    x = 3,612,221,691,927,169.50/55,518,366.63
  6. Step 6: Final answer
    x = 65,063,544.03

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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.