Home / 302,781,428.43-417,838,554.29-163,552,251.71

Finding the Fourth Proportional to 302,781,428.43, 417,838,554.29 and 163,552,251.71

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Solution

The fourth proportional to 302,781,428.43, 417,838,554.29 and 163,552,251.71 is: 225,702,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,781,428.43 : 417,838,554.29 = 163,552,251.71 : x
  2. Step 2: Convert to fraction form
    302,781,428.43/417,838,554.29 = 163,552,251.71/x
  3. Step 3: Cross multiply
    302,781,428.43x = 417,838,554.29 × 163,552,251.71
  4. Step 4: Simplify right side
    302,781,428.43x = 68,338,436,405,380,584
  5. Step 5: Solve for x
    x = 68,338,436,405,380,584/302,781,428.43
  6. Step 6: Final answer
    x = 225,702,206.24

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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.