Home / 302,781,428.07-417,838,553.78-163,552,251.34

Finding the Fourth Proportional to 302,781,428.07, 417,838,553.78 and 163,552,251.34

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Solution

The fourth proportional to 302,781,428.07, 417,838,553.78 and 163,552,251.34 is: 225,702,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,781,428.07 : 417,838,553.78 = 163,552,251.34 : x
  2. Step 2: Convert to fraction form
    302,781,428.07/417,838,553.78 = 163,552,251.34/x
  3. Step 3: Cross multiply
    302,781,428.07x = 417,838,553.78 × 163,552,251.34
  4. Step 4: Simplify right side
    302,781,428.07x = 68,338,436,167,368,664
  5. Step 5: Solve for x
    x = 68,338,436,167,368,664/302,781,428.07
  6. Step 6: Final answer
    x = 225,702,205.72

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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.