Home / 77,102,940.15-115,654,809.29-25,985,401.83

Finding the Fourth Proportional to 77,102,940.15, 115,654,809.29 and 25,985,401.83

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Solution

The fourth proportional to 77,102,940.15, 115,654,809.29 and 25,985,401.83 is: 38,978,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,102,940.15 : 115,654,809.29 = 25,985,401.83 : x
  2. Step 2: Convert to fraction form
    77,102,940.15/115,654,809.29 = 25,985,401.83/x
  3. Step 3: Cross multiply
    77,102,940.15x = 115,654,809.29 × 25,985,401.83
  4. Step 4: Simplify right side
    77,102,940.15x = 3,005,336,692,842,739.50
  5. Step 5: Solve for x
    x = 3,005,336,692,842,739.50/77,102,940.15
  6. Step 6: Final answer
    x = 38,978,237.24

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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.