Home / 309,542,129.95-464,604,099.21-162,095,521.58

Finding the Fourth Proportional to 309,542,129.95, 464,604,099.21 and 162,095,521.58

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Solution

The fourth proportional to 309,542,129.95, 464,604,099.21 and 162,095,521.58 is: 243,295,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,542,129.95 : 464,604,099.21 = 162,095,521.58 : x
  2. Step 2: Convert to fraction form
    309,542,129.95/464,604,099.21 = 162,095,521.58/x
  3. Step 3: Cross multiply
    309,542,129.95x = 464,604,099.21 × 162,095,521.58
  4. Step 4: Simplify right side
    309,542,129.95x = 75,310,243,789,510,464
  5. Step 5: Solve for x
    x = 75,310,243,789,510,464/309,542,129.95
  6. Step 6: Final answer
    x = 243,295,617.96

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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.