Home / 290,980,947.17-436,664,195.76-159,914,753.39

Finding the Fourth Proportional to 290,980,947.17, 436,664,195.76 and 159,914,753.39

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Solution

The fourth proportional to 290,980,947.17, 436,664,195.76 and 159,914,753.39 is: 239,978,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,980,947.17 : 436,664,195.76 = 159,914,753.39 : x
  2. Step 2: Convert to fraction form
    290,980,947.17/436,664,195.76 = 159,914,753.39/x
  3. Step 3: Cross multiply
    290,980,947.17x = 436,664,195.76 × 159,914,753.39
  4. Step 4: Simplify right side
    290,980,947.17x = 69,829,047,179,203,072
  5. Step 5: Solve for x
    x = 69,829,047,179,203,072/290,980,947.17
  6. Step 6: Final answer
    x = 239,978,073.68

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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.