Home / 173,578,648.73-260,367,973.10-82,425,888.41

Finding the Fourth Proportional to 173,578,648.73, 260,367,973.10 and 82,425,888.41

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Solution

The fourth proportional to 173,578,648.73, 260,367,973.10 and 82,425,888.41 is: 123,638,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,578,648.73 : 260,367,973.10 = 82,425,888.41 : x
  2. Step 2: Convert to fraction form
    173,578,648.73/260,367,973.10 = 82,425,888.41/x
  3. Step 3: Cross multiply
    173,578,648.73x = 260,367,973.10 × 82,425,888.41
  4. Step 4: Simplify right side
    173,578,648.73x = 21,461,061,496,278,480
  5. Step 5: Solve for x
    x = 21,461,061,496,278,480/173,578,648.73
  6. Step 6: Final answer
    x = 123,638,832.62

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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.