Home / 69,483,174.12-104,225,509.62-20,961,448.47

Finding the Fourth Proportional to 69,483,174.12, 104,225,509.62 and 20,961,448.47

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Solution

The fourth proportional to 69,483,174.12, 104,225,509.62 and 20,961,448.47 is: 31,442,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,483,174.12 : 104,225,509.62 = 20,961,448.47 : x
  2. Step 2: Convert to fraction form
    69,483,174.12/104,225,509.62 = 20,961,448.47/x
  3. Step 3: Cross multiply
    69,483,174.12x = 104,225,509.62 × 20,961,448.47
  4. Step 4: Simplify right side
    69,483,174.12x = 2,184,717,649,159,119.25
  5. Step 5: Solve for x
    x = 2,184,717,649,159,119.25/69,483,174.12
  6. Step 6: Final answer
    x = 31,442,398.49

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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.