Home / 111,681,048.30-167,521,572.45-54,285,420.30

Finding the Fourth Proportional to 111,681,048.30, 167,521,572.45 and 54,285,420.30

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Solution

The fourth proportional to 111,681,048.30, 167,521,572.45 and 54,285,420.30 is: 81,428,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,681,048.30 : 167,521,572.45 = 54,285,420.30 : x
  2. Step 2: Convert to fraction form
    111,681,048.30/167,521,572.45 = 54,285,420.30/x
  3. Step 3: Cross multiply
    111,681,048.30x = 167,521,572.45 × 54,285,420.30
  4. Step 4: Simplify right side
    111,681,048.30x = 9,093,978,969,765,150
  5. Step 5: Solve for x
    x = 9,093,978,969,765,150/111,681,048.30
  6. Step 6: Final answer
    x = 81,428,130.45

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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.