Home / 120,294,173.10-166,006,120.23-65,290,015.02

Finding the Fourth Proportional to 120,294,173.10, 166,006,120.23 and 65,290,015.02

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Solution

The fourth proportional to 120,294,173.10, 166,006,120.23 and 65,290,015.02 is: 90,100,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,294,173.10 : 166,006,120.23 = 65,290,015.02 : x
  2. Step 2: Convert to fraction form
    120,294,173.10/166,006,120.23 = 65,290,015.02/x
  3. Step 3: Cross multiply
    120,294,173.10x = 166,006,120.23 × 65,290,015.02
  4. Step 4: Simplify right side
    120,294,173.10x = 10,838,542,083,228,626
  5. Step 5: Solve for x
    x = 10,838,542,083,228,626/120,294,173.10
  6. Step 6: Final answer
    x = 90,100,308.30

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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.