Home / 210,757,579.14-290,848,902.50-115,386,496.65

Finding the Fourth Proportional to 210,757,579.14, 290,848,902.50 and 115,386,496.65

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Solution

The fourth proportional to 210,757,579.14, 290,848,902.50 and 115,386,496.65 is: 159,235,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,757,579.14 : 290,848,902.50 = 115,386,496.65 : x
  2. Step 2: Convert to fraction form
    210,757,579.14/290,848,902.50 = 115,386,496.65/x
  3. Step 3: Cross multiply
    210,757,579.14x = 290,848,902.50 × 115,386,496.65
  4. Step 4: Simplify right side
    210,757,579.14x = 33,560,035,913,972,428
  5. Step 5: Solve for x
    x = 33,560,035,913,972,428/210,757,579.14
  6. Step 6: Final answer
    x = 159,235,250.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.