Home / 146,745,343.86-202,511,090.16-80,668,627.20

Finding the Fourth Proportional to 146,745,343.86, 202,511,090.16 and 80,668,627.20

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Solution

The fourth proportional to 146,745,343.86, 202,511,090.16 and 80,668,627.20 is: 111,324,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,745,343.86 : 202,511,090.16 = 80,668,627.20 : x
  2. Step 2: Convert to fraction form
    146,745,343.86/202,511,090.16 = 80,668,627.20/x
  3. Step 3: Cross multiply
    146,745,343.86x = 202,511,090.16 × 80,668,627.20
  4. Step 4: Simplify right side
    146,745,343.86x = 16,336,291,635,982,628
  5. Step 5: Solve for x
    x = 16,336,291,635,982,628/146,745,343.86
  6. Step 6: Final answer
    x = 111,324,088.43

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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.