Home / 55,037,511.60-82,525,163.40-20,959,969.20

Finding the Fourth Proportional to 55,037,511.60, 82,525,163.40 and 20,959,969.20

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Solution

The fourth proportional to 55,037,511.60, 82,525,163.40 and 20,959,969.20 is: 31,428,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,037,511.60 : 82,525,163.40 = 20,959,969.20 : x
  2. Step 2: Convert to fraction form
    55,037,511.60/82,525,163.40 = 20,959,969.20/x
  3. Step 3: Cross multiply
    55,037,511.60x = 82,525,163.40 × 20,959,969.20
  4. Step 4: Simplify right side
    55,037,511.60x = 1,729,724,883,088,967.25
  5. Step 5: Solve for x
    x = 1,729,724,883,088,967.25/55,037,511.60
  6. Step 6: Final answer
    x = 31,428,108.44

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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.