Home / 73,237,782.78-109,875,819.66-42,502,816.56

Finding the Fourth Proportional to 73,237,782.78, 109,875,819.66 and 42,502,816.56

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Solution

The fourth proportional to 73,237,782.78, 109,875,819.66 and 42,502,816.56 is: 63,765,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,237,782.78 : 109,875,819.66 = 42,502,816.56 : x
  2. Step 2: Convert to fraction form
    73,237,782.78/109,875,819.66 = 42,502,816.56/x
  3. Step 3: Cross multiply
    73,237,782.78x = 109,875,819.66 × 42,502,816.56
  4. Step 4: Simplify right side
    73,237,782.78x = 4,670,031,807,388,622
  5. Step 5: Solve for x
    x = 4,670,031,807,388,622/73,237,782.78
  6. Step 6: Final answer
    x = 63,765,335.73

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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.