Home / 77,055,664.24-115,571,192.72-22,455,478.20

Finding the Fourth Proportional to 77,055,664.24, 115,571,192.72 and 22,455,478.20

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Solution

The fourth proportional to 77,055,664.24, 115,571,192.72 and 22,455,478.20 is: 33,679,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,055,664.24 : 115,571,192.72 = 22,455,478.20 : x
  2. Step 2: Convert to fraction form
    77,055,664.24/115,571,192.72 = 22,455,478.20/x
  3. Step 3: Cross multiply
    77,055,664.24x = 115,571,192.72 × 22,455,478.20
  4. Step 4: Simplify right side
    77,055,664.24x = 2,595,206,398,671,958.50
  5. Step 5: Solve for x
    x = 2,595,206,398,671,958.50/77,055,664.24
  6. Step 6: Final answer
    x = 33,679,631.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.