Home / 76,774,521.60-115,161,782.94-25,656,540.48

Finding the Fourth Proportional to 76,774,521.60, 115,161,782.94 and 25,656,540.48

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Solution

The fourth proportional to 76,774,521.60, 115,161,782.94 and 25,656,540.48 is: 38,484,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,774,521.60 : 115,161,782.94 = 25,656,540.48 : x
  2. Step 2: Convert to fraction form
    76,774,521.60/115,161,782.94 = 25,656,540.48/x
  3. Step 3: Cross multiply
    76,774,521.60x = 115,161,782.94 × 25,656,540.48
  4. Step 4: Simplify right side
    76,774,521.60x = 2,954,652,945,749,083.50
  5. Step 5: Solve for x
    x = 2,954,652,945,749,083.50/76,774,521.60
  6. Step 6: Final answer
    x = 38,484,810.90

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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.