Home / 65,202,978,832.44-89,979,569,892.78-36,656,761,325.40

Finding the Fourth Proportional to 65,202,978,832.44, 89,979,569,892.78 and 36,656,761,325.40

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Solution

The fourth proportional to 65,202,978,832.44, 89,979,569,892.78 and 36,656,761,325.40 is: 50,586,026,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,202,978,832.44 : 89,979,569,892.78 = 36,656,761,325.40 : x
  2. Step 2: Convert to fraction form
    65,202,978,832.44/89,979,569,892.78 = 36,656,761,325.40/x
  3. Step 3: Cross multiply
    65,202,978,832.44x = 89,979,569,892.78 × 36,656,761,325.40
  4. Step 4: Simplify right side
    65,202,978,832.44x = 3,298,359,617,721,784,074,240
  5. Step 5: Solve for x
    x = 3,298,359,617,721,784,074,240/65,202,978,832.44
  6. Step 6: Final answer
    x = 50,586,026,540.26

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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.