Home / 302,781,429.69-417,838,556.03-163,552,252.97

Finding the Fourth Proportional to 302,781,429.69, 417,838,556.03 and 163,552,252.97

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Solution

The fourth proportional to 302,781,429.69, 417,838,556.03 and 163,552,252.97 is: 225,702,207.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,781,429.69 : 417,838,556.03 = 163,552,252.97 : x
  2. Step 2: Convert to fraction form
    302,781,429.69/417,838,556.03 = 163,552,252.97/x
  3. Step 3: Cross multiply
    302,781,429.69x = 417,838,556.03 × 163,552,252.97
  4. Step 4: Simplify right side
    302,781,429.69x = 68,338,437,213,531,120
  5. Step 5: Solve for x
    x = 68,338,437,213,531,120/302,781,429.69
  6. Step 6: Final answer
    x = 225,702,207.97

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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.