Home / 66,691,643.22-100,151,946.99-40,935,189.11

Finding the Fourth Proportional to 66,691,643.22, 100,151,946.99 and 40,935,189.11

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Solution

The fourth proportional to 66,691,643.22, 100,151,946.99 and 40,935,189.11 is: 61,473,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,691,643.22 : 100,151,946.99 = 40,935,189.11 : x
  2. Step 2: Convert to fraction form
    66,691,643.22/100,151,946.99 = 40,935,189.11/x
  3. Step 3: Cross multiply
    66,691,643.22x = 100,151,946.99 × 40,935,189.11
  4. Step 4: Simplify right side
    66,691,643.22x = 4,099,738,889,269,585
  5. Step 5: Solve for x
    x = 4,099,738,889,269,585/66,691,643.22
  6. Step 6: Final answer
    x = 61,473,052.56

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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.