Home / 108,611,846.10-162,917,769.15-40,440,431.70

Finding the Fourth Proportional to 108,611,846.10, 162,917,769.15 and 40,440,431.70

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Solution

The fourth proportional to 108,611,846.10, 162,917,769.15 and 40,440,431.70 is: 60,660,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,611,846.10 : 162,917,769.15 = 40,440,431.70 : x
  2. Step 2: Convert to fraction form
    108,611,846.10/162,917,769.15 = 40,440,431.70/x
  3. Step 3: Cross multiply
    108,611,846.10x = 162,917,769.15 × 40,440,431.70
  4. Step 4: Simplify right side
    108,611,846.10x = 6,588,464,916,026,943
  5. Step 5: Solve for x
    x = 6,588,464,916,026,943/108,611,846.10
  6. Step 6: Final answer
    x = 60,660,647.55

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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.