Home / 77,706,847.70-116,521,280.68-25,873,192.63

Finding the Fourth Proportional to 77,706,847.70, 116,521,280.68 and 25,873,192.63

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Solution

The fourth proportional to 77,706,847.70, 116,521,280.68 and 25,873,192.63 is: 38,796,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,706,847.70 : 116,521,280.68 = 25,873,192.63 : x
  2. Step 2: Convert to fraction form
    77,706,847.70/116,521,280.68 = 25,873,192.63/x
  3. Step 3: Cross multiply
    77,706,847.70x = 116,521,280.68 × 25,873,192.63
  4. Step 4: Simplify right side
    77,706,847.70x = 3,014,777,540,657,289
  5. Step 5: Solve for x
    x = 3,014,777,540,657,289/77,706,847.70
  6. Step 6: Final answer
    x = 38,796,806.59

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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.