Home / 81,386,094.96-122,060,203.56-30,292,176.24

Finding the Fourth Proportional to 81,386,094.96, 122,060,203.56 and 30,292,176.24

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Solution

The fourth proportional to 81,386,094.96, 122,060,203.56 and 30,292,176.24 is: 45,431,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,386,094.96 : 122,060,203.56 = 30,292,176.24 : x
  2. Step 2: Convert to fraction form
    81,386,094.96/122,060,203.56 = 30,292,176.24/x
  3. Step 3: Cross multiply
    81,386,094.96x = 122,060,203.56 × 30,292,176.24
  4. Step 4: Simplify right side
    81,386,094.96x = 3,697,469,198,129,795.50
  5. Step 5: Solve for x
    x = 3,697,469,198,129,795.50/81,386,094.96
  6. Step 6: Final answer
    x = 45,431,215.25

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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.