Home / 150,474,722.31-207,445,206.72-100,923,950.79

Finding the Fourth Proportional to 150,474,722.31, 207,445,206.72 and 100,923,950.79

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Solution

The fourth proportional to 150,474,722.31, 207,445,206.72 and 100,923,950.79 is: 139,134,264.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,474,722.31 : 207,445,206.72 = 100,923,950.79 : x
  2. Step 2: Convert to fraction form
    150,474,722.31/207,445,206.72 = 100,923,950.79/x
  3. Step 3: Cross multiply
    150,474,722.31x = 207,445,206.72 × 100,923,950.79
  4. Step 4: Simplify right side
    150,474,722.31x = 20,936,189,834,630,660
  5. Step 5: Solve for x
    x = 20,936,189,834,630,660/150,474,722.31
  6. Step 6: Final answer
    x = 139,134,264.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.