Home / 55,130,405.88-76,084,408.04-31,611,131.10

Finding the Fourth Proportional to 55,130,405.88, 76,084,408.04 and 31,611,131.10

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Solution

The fourth proportional to 55,130,405.88, 76,084,408.04 and 31,611,131.10 is: 43,625,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130,405.88 : 76,084,408.04 = 31,611,131.10 : x
  2. Step 2: Convert to fraction form
    55,130,405.88/76,084,408.04 = 31,611,131.10/x
  3. Step 3: Cross multiply
    55,130,405.88x = 76,084,408.04 × 31,611,131.10
  4. Step 4: Simplify right side
    55,130,405.88x = 2,405,114,197,218,334.50
  5. Step 5: Solve for x
    x = 2,405,114,197,218,334.50/55,130,405.88
  6. Step 6: Final answer
    x = 43,625,911.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.