Home / 120,180,768.30-180,271,152.45-43,476,117.30

Finding the Fourth Proportional to 120,180,768.30, 180,271,152.45 and 43,476,117.30

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Solution

The fourth proportional to 120,180,768.30, 180,271,152.45 and 43,476,117.30 is: 65,214,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,180,768.30 : 180,271,152.45 = 43,476,117.30 : x
  2. Step 2: Convert to fraction form
    120,180,768.30/180,271,152.45 = 43,476,117.30/x
  3. Step 3: Cross multiply
    120,180,768.30x = 180,271,152.45 × 43,476,117.30
  4. Step 4: Simplify right side
    120,180,768.30x = 7,837,489,769,722,381
  5. Step 5: Solve for x
    x = 7,837,489,769,722,381/120,180,768.30
  6. Step 6: Final answer
    x = 65,214,175.95

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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.