Home / 272,801,646.70-409,202,470.05-163,962,529.90

Finding the Fourth Proportional to 272,801,646.70, 409,202,470.05 and 163,962,529.90

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Solution

The fourth proportional to 272,801,646.70, 409,202,470.05 and 163,962,529.90 is: 245,943,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,801,646.70 : 409,202,470.05 = 163,962,529.90 : x
  2. Step 2: Convert to fraction form
    272,801,646.70/409,202,470.05 = 163,962,529.90/x
  3. Step 3: Cross multiply
    272,801,646.70x = 409,202,470.05 × 163,962,529.90
  4. Step 4: Simplify right side
    272,801,646.70x = 67,093,872,230,726,984
  5. Step 5: Solve for x
    x = 67,093,872,230,726,984/272,801,646.70
  6. Step 6: Final answer
    x = 245,943,794.85

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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.