Home / 108,165,724.32-162,135,212.28-39,964,916.64

Finding the Fourth Proportional to 108,165,724.32, 162,135,212.28 and 39,964,916.64

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Solution

The fourth proportional to 108,165,724.32, 162,135,212.28 and 39,964,916.64 is: 59,905,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,165,724.32 : 162,135,212.28 = 39,964,916.64 : x
  2. Step 2: Convert to fraction form
    108,165,724.32/162,135,212.28 = 39,964,916.64/x
  3. Step 3: Cross multiply
    108,165,724.32x = 162,135,212.28 × 39,964,916.64
  4. Step 4: Simplify right side
    108,165,724.32x = 6,479,720,243,178,904
  5. Step 5: Solve for x
    x = 6,479,720,243,178,904/108,165,724.32
  6. Step 6: Final answer
    x = 59,905,485.62

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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.