Home / 91,134,039.58-125,765,292.12-49,318,094.45

Finding the Fourth Proportional to 91,134,039.58, 125,765,292.12 and 49,318,094.45

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Solution

The fourth proportional to 91,134,039.58, 125,765,292.12 and 49,318,094.45 is: 68,059,142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,134,039.58 : 125,765,292.12 = 49,318,094.45 : x
  2. Step 2: Convert to fraction form
    91,134,039.58/125,765,292.12 = 49,318,094.45/x
  3. Step 3: Cross multiply
    91,134,039.58x = 125,765,292.12 × 49,318,094.45
  4. Step 4: Simplify right side
    91,134,039.58x = 6,202,504,555,306,001
  5. Step 5: Solve for x
    x = 6,202,504,555,306,001/91,134,039.58
  6. Step 6: Final answer
    x = 68,059,142.16

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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.