Home / 146,733,731.20-219,578,049.60-127,772,732.80

Finding the Fourth Proportional to 146,733,731.20, 219,578,049.60 and 127,772,732.80

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Solution

The fourth proportional to 146,733,731.20, 219,578,049.60 and 127,772,732.80 is: 191,204,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,733,731.20 : 219,578,049.60 = 127,772,732.80 : x
  2. Step 2: Convert to fraction form
    146,733,731.20/219,578,049.60 = 127,772,732.80/x
  3. Step 3: Cross multiply
    146,733,731.20x = 219,578,049.60 × 127,772,732.80
  4. Step 4: Simplify right side
    146,733,731.20x = 28,056,087,460,285,944
  5. Step 5: Solve for x
    x = 28,056,087,460,285,944/146,733,731.20
  6. Step 6: Final answer
    x = 191,204,075.78

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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.