Home / 200,212,089.66-300,208,412.03-61,999,326.65

Finding the Fourth Proportional to 200,212,089.66, 300,208,412.03 and 61,999,326.65

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Solution

The fourth proportional to 200,212,089.66, 300,208,412.03 and 61,999,326.65 is: 92,965,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,212,089.66 : 300,208,412.03 = 61,999,326.65 : x
  2. Step 2: Convert to fraction form
    200,212,089.66/300,208,412.03 = 61,999,326.65/x
  3. Step 3: Cross multiply
    200,212,089.66x = 300,208,412.03 × 61,999,326.65
  4. Step 4: Simplify right side
    200,212,089.66x = 18,612,719,400,966,284
  5. Step 5: Solve for x
    x = 18,612,719,400,966,284/200,212,089.66
  6. Step 6: Final answer
    x = 92,965,012.42

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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.