Home / 70,849,604.56-106,280,496.44-19,731,623.44

Finding the Fourth Proportional to 70,849,604.56, 106,280,496.44 and 19,731,623.44

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Solution

The fourth proportional to 70,849,604.56, 106,280,496.44 and 19,731,623.44 is: 29,599,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,849,604.56 : 106,280,496.44 = 19,731,623.44 : x
  2. Step 2: Convert to fraction form
    70,849,604.56/106,280,496.44 = 19,731,623.44/x
  3. Step 3: Cross multiply
    70,849,604.56x = 106,280,496.44 × 19,731,623.44
  4. Step 4: Simplify right side
    70,849,604.56x = 2,097,086,734,770,340.75
  5. Step 5: Solve for x
    x = 2,097,086,734,770,340.75/70,849,604.56
  6. Step 6: Final answer
    x = 29,599,131.11

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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.