Home / 55,130,403.88-76,084,405.28-31,611,129.09

Finding the Fourth Proportional to 55,130,403.88, 76,084,405.28 and 31,611,129.09

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Solution

The fourth proportional to 55,130,403.88, 76,084,405.28 and 31,611,129.09 is: 43,625,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130,403.88 : 76,084,405.28 = 31,611,129.09 : x
  2. Step 2: Convert to fraction form
    55,130,403.88/76,084,405.28 = 31,611,129.09/x
  3. Step 3: Cross multiply
    55,130,403.88x = 76,084,405.28 × 31,611,129.09
  4. Step 4: Simplify right side
    55,130,403.88x = 2,405,113,957,041,957.50
  5. Step 5: Solve for x
    x = 2,405,113,957,041,957.50/55,130,403.88
  6. Step 6: Final answer
    x = 43,625,908.53

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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.