Home / 70,739,410.07-106,109,108.62-19,621,431.11

Finding the Fourth Proportional to 70,739,410.07, 106,109,108.62 and 19,621,431.11

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Solution

The fourth proportional to 70,739,410.07, 106,109,108.62 and 19,621,431.11 is: 29,432,144.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,739,410.07 : 106,109,108.62 = 19,621,431.11 : x
  2. Step 2: Convert to fraction form
    70,739,410.07/106,109,108.62 = 19,621,431.11/x
  3. Step 3: Cross multiply
    70,739,410.07x = 106,109,108.62 × 19,621,431.11
  4. Step 4: Simplify right side
    70,739,410.07x = 2,082,012,564,351,238.25
  5. Step 5: Solve for x
    x = 2,082,012,564,351,238.25/70,739,410.07
  6. Step 6: Final answer
    x = 29,432,144.86

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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.