Home / 234,409,313.14-351,664,364.67-78,978,566.50

Finding the Fourth Proportional to 234,409,313.14, 351,664,364.67 and 78,978,566.50

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Solution

The fourth proportional to 234,409,313.14, 351,664,364.67 and 78,978,566.50 is: 118,484,829.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,409,313.14 : 351,664,364.67 = 78,978,566.50 : x
  2. Step 2: Convert to fraction form
    234,409,313.14/351,664,364.67 = 78,978,566.50/x
  3. Step 3: Cross multiply
    234,409,313.14x = 351,664,364.67 × 78,978,566.50
  4. Step 4: Simplify right side
    234,409,313.14x = 27,773,947,410,769,848
  5. Step 5: Solve for x
    x = 27,773,947,410,769,848/234,409,313.14
  6. Step 6: Final answer
    x = 118,484,829.12

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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.