Home / 81,395,185.02-122,024,149.01-35,302,352.25

Finding the Fourth Proportional to 81,395,185.02, 122,024,149.01 and 35,302,352.25

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Solution

The fourth proportional to 81,395,185.02, 122,024,149.01 and 35,302,352.25 is: 52,923,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,395,185.02 : 122,024,149.01 = 35,302,352.25 : x
  2. Step 2: Convert to fraction form
    81,395,185.02/122,024,149.01 = 35,302,352.25/x
  3. Step 3: Cross multiply
    81,395,185.02x = 122,024,149.01 × 35,302,352.25
  4. Step 4: Simplify right side
    81,395,185.02x = 4,307,739,491,357,509
  5. Step 5: Solve for x
    x = 4,307,739,491,357,509/81,395,185.02
  6. Step 6: Final answer
    x = 52,923,763.12

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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.