Home / 272,950,337.20-409,425,505.80-169,638,206.80

Finding the Fourth Proportional to 272,950,337.20, 409,425,505.80 and 169,638,206.80

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Solution

The fourth proportional to 272,950,337.20, 409,425,505.80 and 169,638,206.80 is: 254,457,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,950,337.20 : 409,425,505.80 = 169,638,206.80 : x
  2. Step 2: Convert to fraction form
    272,950,337.20/409,425,505.80 = 169,638,206.80/x
  3. Step 3: Cross multiply
    272,950,337.20x = 409,425,505.80 × 169,638,206.80
  4. Step 4: Simplify right side
    272,950,337.20x = 69,454,208,622,095,008
  5. Step 5: Solve for x
    x = 69,454,208,622,095,008/272,950,337.20
  6. Step 6: Final answer
    x = 254,457,310.20

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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.