Home / 340,861,428.89-511,313,667.05-144,088,148.73

Finding the Fourth Proportional to 340,861,428.89, 511,313,667.05 and 144,088,148.73

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Solution

The fourth proportional to 340,861,428.89, 511,313,667.05 and 144,088,148.73 is: 216,141,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,861,428.89 : 511,313,667.05 = 144,088,148.73 : x
  2. Step 2: Convert to fraction form
    340,861,428.89/511,313,667.05 = 144,088,148.73/x
  3. Step 3: Cross multiply
    340,861,428.89x = 511,313,667.05 × 144,088,148.73
  4. Step 4: Simplify right side
    340,861,428.89x = 73,674,239,705,582,096
  5. Step 5: Solve for x
    x = 73,674,239,705,582,096/340,861,428.89
  6. Step 6: Final answer
    x = 216,141,321.55

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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.