Home / 61,117,621.02-91,656,972.09-20,169,438.30

Finding the Fourth Proportional to 61,117,621.02, 91,656,972.09 and 20,169,438.30

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Solution

The fourth proportional to 61,117,621.02, 91,656,972.09 and 20,169,438.30 is: 30,247,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,117,621.02 : 91,656,972.09 = 20,169,438.30 : x
  2. Step 2: Convert to fraction form
    61,117,621.02/91,656,972.09 = 20,169,438.30/x
  3. Step 3: Cross multiply
    61,117,621.02x = 91,656,972.09 × 20,169,438.30
  4. Step 4: Simplify right side
    61,117,621.02x = 1,848,669,643,334,077.25
  5. Step 5: Solve for x
    x = 1,848,669,643,334,077.25/61,117,621.02
  6. Step 6: Final answer
    x = 30,247,735.64

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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.