Home / 45,985,955.03-68,979,181.62-13,638,137.83

Finding the Fourth Proportional to 45,985,955.03, 68,979,181.62 and 13,638,137.83

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Solution

The fourth proportional to 45,985,955.03, 68,979,181.62 and 13,638,137.83 is: 20,457,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,985,955.03 : 68,979,181.62 = 13,638,137.83 : x
  2. Step 2: Convert to fraction form
    45,985,955.03/68,979,181.62 = 13,638,137.83/x
  3. Step 3: Cross multiply
    45,985,955.03x = 68,979,181.62 × 13,638,137.83
  4. Step 4: Simplify right side
    45,985,955.03x = 940,747,586,334,162.75
  5. Step 5: Solve for x
    x = 940,747,586,334,162.75/45,985,955.03
  6. Step 6: Final answer
    x = 20,457,280.61

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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.