Home / 229,880,439.30-344,988,620.55-161,855,991.30

Finding the Fourth Proportional to 229,880,439.30, 344,988,620.55 and 161,855,991.30

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Solution

The fourth proportional to 229,880,439.30, 344,988,620.55 and 161,855,991.30 is: 242,902,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,880,439.30 : 344,988,620.55 = 161,855,991.30 : x
  2. Step 2: Convert to fraction form
    229,880,439.30/344,988,620.55 = 161,855,991.30/x
  3. Step 3: Cross multiply
    229,880,439.30x = 344,988,620.55 × 161,855,991.30
  4. Step 4: Simplify right side
    229,880,439.30x = 55,838,475,166,339,808
  5. Step 5: Solve for x
    x = 55,838,475,166,339,808/229,880,439.30
  6. Step 6: Final answer
    x = 242,902,246.65

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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.