Home / 215,784,643.55-323,464,388.93-106,626,662.15

Finding the Fourth Proportional to 215,784,643.55, 323,464,388.93 and 106,626,662.15

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Solution

The fourth proportional to 215,784,643.55, 323,464,388.93 and 106,626,662.15 is: 159,834,951.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,784,643.55 : 323,464,388.93 = 106,626,662.15 : x
  2. Step 2: Convert to fraction form
    215,784,643.55/323,464,388.93 = 106,626,662.15/x
  3. Step 3: Cross multiply
    215,784,643.55x = 323,464,388.93 × 106,626,662.15
  4. Step 4: Simplify right side
    215,784,643.55x = 34,489,928,115,462,180
  5. Step 5: Solve for x
    x = 34,489,928,115,462,180/215,784,643.55
  6. Step 6: Final answer
    x = 159,834,951.87

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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.