Home / 272,848,861.34-409,276,571.93-76,100,298.61

Finding the Fourth Proportional to 272,848,861.34, 409,276,571.93 and 76,100,298.61

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Solution

The fourth proportional to 272,848,861.34, 409,276,571.93 and 76,100,298.61 is: 114,151,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,848,861.34 : 409,276,571.93 = 76,100,298.61 : x
  2. Step 2: Convert to fraction form
    272,848,861.34/409,276,571.93 = 76,100,298.61/x
  3. Step 3: Cross multiply
    272,848,861.34x = 409,276,571.93 × 76,100,298.61
  4. Step 4: Simplify right side
    272,848,861.34x = 31,146,069,338,027,664
  5. Step 5: Solve for x
    x = 31,146,069,338,027,664/272,848,861.34
  6. Step 6: Final answer
    x = 114,151,362.72

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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.