Home / 411,535,586.69-617,173,286.34-135,141,236.36

Finding the Fourth Proportional to 411,535,586.69, 617,173,286.34 and 135,141,236.36

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Solution

The fourth proportional to 411,535,586.69, 617,173,286.34 and 135,141,236.36 is: 202,669,134.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,535,586.69 : 617,173,286.34 = 135,141,236.36 : x
  2. Step 2: Convert to fraction form
    411,535,586.69/617,173,286.34 = 135,141,236.36/x
  3. Step 3: Cross multiply
    411,535,586.69x = 617,173,286.34 × 135,141,236.36
  4. Step 4: Simplify right side
    411,535,586.69x = 83,405,560,963,323,648
  5. Step 5: Solve for x
    x = 83,405,560,963,323,648/411,535,586.69
  6. Step 6: Final answer
    x = 202,669,134.00

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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.