Home / 70,739,579.94-106,109,363.07-19,621,600.98

Finding the Fourth Proportional to 70,739,579.94, 106,109,363.07 and 19,621,600.98

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Solution

The fourth proportional to 70,739,579.94, 106,109,363.07 and 19,621,600.98 is: 29,432,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,739,579.94 : 106,109,363.07 = 19,621,600.98 : x
  2. Step 2: Convert to fraction form
    70,739,579.94/106,109,363.07 = 19,621,600.98/x
  3. Step 3: Cross multiply
    70,739,579.94x = 106,109,363.07 × 19,621,600.98
  4. Step 4: Simplify right side
    70,739,579.94x = 2,082,035,582,401,487.75
  5. Step 5: Solve for x
    x = 2,082,035,582,401,487.75/70,739,579.94
  6. Step 6: Final answer
    x = 29,432,399.57

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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.