Home / 75,638,131.02-104,383,405-42,150,619.35

Finding the Fourth Proportional to 75,638,131.02, 104,383,405 and 42,150,619.35

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Solution

The fourth proportional to 75,638,131.02, 104,383,405 and 42,150,619.35 is: 58,169,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638,131.02 : 104,383,405 = 42,150,619.35 : x
  2. Step 2: Convert to fraction form
    75,638,131.02/104,383,405 = 42,150,619.35/x
  3. Step 3: Cross multiply
    75,638,131.02x = 104,383,405 × 42,150,619.35
  4. Step 4: Simplify right side
    75,638,131.02x = 4,399,825,170,611,887
  5. Step 5: Solve for x
    x = 4,399,825,170,611,887/75,638,131.02
  6. Step 6: Final answer
    x = 58,169,406.24

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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.