Home / 215,784,638.55-323,676,957.83-196,015,033.35

Finding the Fourth Proportional to 215,784,638.55, 323,676,957.83 and 196,015,033.35

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Solution

The fourth proportional to 215,784,638.55, 323,676,957.83 and 196,015,033.35 is: 294,022,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,784,638.55 : 323,676,957.83 = 196,015,033.35 : x
  2. Step 2: Convert to fraction form
    215,784,638.55/323,676,957.83 = 196,015,033.35/x
  3. Step 3: Cross multiply
    215,784,638.55x = 323,676,957.83 × 196,015,033.35
  4. Step 4: Simplify right side
    215,784,638.55x = 63,445,549,682,693,912
  5. Step 5: Solve for x
    x = 63,445,549,682,693,912/215,784,638.55
  6. Step 6: Final answer
    x = 294,022,550.03

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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.