Home / 119,232,004.70-178,848,007.05-64,812,446.30

Finding the Fourth Proportional to 119,232,004.70, 178,848,007.05 and 64,812,446.30

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Solution

The fourth proportional to 119,232,004.70, 178,848,007.05 and 64,812,446.30 is: 97,218,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,232,004.70 : 178,848,007.05 = 64,812,446.30 : x
  2. Step 2: Convert to fraction form
    119,232,004.70/178,848,007.05 = 64,812,446.30/x
  3. Step 3: Cross multiply
    119,232,004.70x = 178,848,007.05 × 64,812,446.30
  4. Step 4: Simplify right side
    119,232,004.70x = 11,591,576,852,790,146
  5. Step 5: Solve for x
    x = 11,591,576,852,790,146/119,232,004.70
  6. Step 6: Final answer
    x = 97,218,669.45

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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.