Home / 75,540,635.40-113,310,953.10-52,582,384.20

Finding the Fourth Proportional to 75,540,635.40, 113,310,953.10 and 52,582,384.20

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Solution

The fourth proportional to 75,540,635.40, 113,310,953.10 and 52,582,384.20 is: 78,873,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,540,635.40 : 113,310,953.10 = 52,582,384.20 : x
  2. Step 2: Convert to fraction form
    75,540,635.40/113,310,953.10 = 52,582,384.20/x
  3. Step 3: Cross multiply
    75,540,635.40x = 113,310,953.10 × 52,582,384.20
  4. Step 4: Simplify right side
    75,540,635.40x = 5,958,160,069,972,381
  5. Step 5: Solve for x
    x = 5,958,160,069,972,381/75,540,635.40
  6. Step 6: Final answer
    x = 78,873,576.30

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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.