Home / 125,638,152.80-188,469,670.80-43,744,431.20

Finding the Fourth Proportional to 125,638,152.80, 188,469,670.80 and 43,744,431.20

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Solution

The fourth proportional to 125,638,152.80, 188,469,670.80 and 43,744,431.20 is: 65,620,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,638,152.80 : 188,469,670.80 = 43,744,431.20 : x
  2. Step 2: Convert to fraction form
    125,638,152.80/188,469,670.80 = 43,744,431.20/x
  3. Step 3: Cross multiply
    125,638,152.80x = 188,469,670.80 × 43,744,431.20
  4. Step 4: Simplify right side
    125,638,152.80x = 8,244,498,547,597,250
  5. Step 5: Solve for x
    x = 8,244,498,547,597,250/125,638,152.80
  6. Step 6: Final answer
    x = 65,620,978.69

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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.