Home / 120,144,654-180,234,965.46-43,485,618.12

Finding the Fourth Proportional to 120,144,654, 180,234,965.46 and 43,485,618.12

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Solution

The fourth proportional to 120,144,654, 180,234,965.46 and 43,485,618.12 is: 65,234,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,144,654 : 180,234,965.46 = 43,485,618.12 : x
  2. Step 2: Convert to fraction form
    120,144,654/180,234,965.46 = 43,485,618.12/x
  3. Step 3: Cross multiply
    120,144,654x = 180,234,965.46 × 43,485,618.12
  4. Step 4: Simplify right side
    120,144,654x = 7,837,628,879,864,950
  5. Step 5: Solve for x
    x = 7,837,628,879,864,950/120,144,654
  6. Step 6: Final answer
    x = 65,234,936.54

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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.