Home / 55,130,404.64-76,084,406.32-31,611,129.84

Finding the Fourth Proportional to 55,130,404.64, 76,084,406.32 and 31,611,129.84

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Solution

The fourth proportional to 55,130,404.64, 76,084,406.32 and 31,611,129.84 is: 43,625,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130,404.64 : 76,084,406.32 = 31,611,129.84 : x
  2. Step 2: Convert to fraction form
    55,130,404.64/76,084,406.32 = 31,611,129.84/x
  3. Step 3: Cross multiply
    55,130,404.64x = 76,084,406.32 × 31,611,129.84
  4. Step 4: Simplify right side
    55,130,404.64x = 2,405,114,046,980,836.50
  5. Step 5: Solve for x
    x = 2,405,114,046,980,836.50/55,130,404.64
  6. Step 6: Final answer
    x = 43,625,909.56

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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.