Home / 290,619,206.70-401,056,376.70-158,462,380.14

Finding the Fourth Proportional to 290,619,206.70, 401,056,376.70 and 158,462,380.14

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Solution

The fourth proportional to 290,619,206.70, 401,056,376.70 and 158,462,380.14 is: 218,679,105.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,619,206.70 : 401,056,376.70 = 158,462,380.14 : x
  2. Step 2: Convert to fraction form
    290,619,206.70/401,056,376.70 = 158,462,380.14/x
  3. Step 3: Cross multiply
    290,619,206.70x = 401,056,376.70 × 158,462,380.14
  4. Step 4: Simplify right side
    290,619,206.70x = 63,552,348,022,206,432
  5. Step 5: Solve for x
    x = 63,552,348,022,206,432/290,619,206.70
  6. Step 6: Final answer
    x = 218,679,105.02

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Why These Related Problems?

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