Home / 128,047,029.31-192,101,100-41,785,596.55

Finding the Fourth Proportional to 128,047,029.31, 192,101,100 and 41,785,596.55

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Solution

The fourth proportional to 128,047,029.31, 192,101,100 and 41,785,596.55 is: 62,688,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,047,029.31 : 192,101,100 = 41,785,596.55 : x
  2. Step 2: Convert to fraction form
    128,047,029.31/192,101,100 = 41,785,596.55/x
  3. Step 3: Cross multiply
    128,047,029.31x = 192,101,100 × 41,785,596.55
  4. Step 4: Simplify right side
    128,047,029.31x = 8,027,059,061,411,204
  5. Step 5: Solve for x
    x = 8,027,059,061,411,204/128,047,029.31
  6. Step 6: Final answer
    x = 62,688,366.18

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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.