Home / 173,578,644.73-260,367,967.10-82,425,884.41

Finding the Fourth Proportional to 173,578,644.73, 260,367,967.10 and 82,425,884.41

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Solution

The fourth proportional to 173,578,644.73, 260,367,967.10 and 82,425,884.41 is: 123,638,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,578,644.73 : 260,367,967.10 = 82,425,884.41 : x
  2. Step 2: Convert to fraction form
    173,578,644.73/260,367,967.10 = 82,425,884.41/x
  3. Step 3: Cross multiply
    173,578,644.73x = 260,367,967.10 × 82,425,884.41
  4. Step 4: Simplify right side
    173,578,644.73x = 21,461,059,960,251,280
  5. Step 5: Solve for x
    x = 21,461,059,960,251,280/173,578,644.73
  6. Step 6: Final answer
    x = 123,638,826.62

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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.