Home / 290,017,800.98-400,233,072.36-157,867,418.36

Finding the Fourth Proportional to 290,017,800.98, 400,233,072.36 and 157,867,418.36

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Solution

The fourth proportional to 290,017,800.98, 400,233,072.36 and 157,867,418.36 is: 217,861,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,017,800.98 : 400,233,072.36 = 157,867,418.36 : x
  2. Step 2: Convert to fraction form
    290,017,800.98/400,233,072.36 = 157,867,418.36/x
  3. Step 3: Cross multiply
    290,017,800.98x = 400,233,072.36 × 157,867,418.36
  4. Step 4: Simplify right side
    290,017,800.98x = 63,183,761,875,764,280
  5. Step 5: Solve for x
    x = 63,183,761,875,764,280/290,017,800.98
  6. Step 6: Final answer
    x = 217,861,668.02

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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.