Home / 75,151,840.10-112,727,760.15-49,621,676.90

Finding the Fourth Proportional to 75,151,840.10, 112,727,760.15 and 49,621,676.90

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Solution

The fourth proportional to 75,151,840.10, 112,727,760.15 and 49,621,676.90 is: 74,432,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,151,840.10 : 112,727,760.15 = 49,621,676.90 : x
  2. Step 2: Convert to fraction form
    75,151,840.10/112,727,760.15 = 49,621,676.90/x
  3. Step 3: Cross multiply
    75,151,840.10x = 112,727,760.15 × 49,621,676.90
  4. Step 4: Simplify right side
    75,151,840.10x = 5,593,740,491,823,996
  5. Step 5: Solve for x
    x = 5,593,740,491,823,996/75,151,840.10
  6. Step 6: Final answer
    x = 74,432,515.35

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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.