Home / 89,372,009.10-123,388,396.64-70,861,919.07

Finding the Fourth Proportional to 89,372,009.10, 123,388,396.64 and 70,861,919.07

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Solution

The fourth proportional to 89,372,009.10, 123,388,396.64 and 70,861,919.07 is: 97,833,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,372,009.10 : 123,388,396.64 = 70,861,919.07 : x
  2. Step 2: Convert to fraction form
    89,372,009.10/123,388,396.64 = 70,861,919.07/x
  3. Step 3: Cross multiply
    89,372,009.10x = 123,388,396.64 × 70,861,919.07
  4. Step 4: Simplify right side
    89,372,009.10x = 8,743,538,577,254,870
  5. Step 5: Solve for x
    x = 8,743,538,577,254,870/89,372,009.10
  6. Step 6: Final answer
    x = 97,833,076.21

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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.