Home / 272,438,637.30-376,179,536.67-219,346,696.50

Finding the Fourth Proportional to 272,438,637.30, 376,179,536.67 and 219,346,696.50

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Solution

The fourth proportional to 272,438,637.30, 376,179,536.67 and 219,346,696.50 is: 302,870,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,438,637.30 : 376,179,536.67 = 219,346,696.50 : x
  2. Step 2: Convert to fraction form
    272,438,637.30/376,179,536.67 = 219,346,696.50/x
  3. Step 3: Cross multiply
    272,438,637.30x = 376,179,536.67 × 219,346,696.50
  4. Step 4: Simplify right side
    272,438,637.30x = 82,513,738,659,465,120
  5. Step 5: Solve for x
    x = 82,513,738,659,465,120/272,438,637.30
  6. Step 6: Final answer
    x = 302,870,912.43

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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.