Home / 302,781,486.81-417,838,634.88-163,552,310.10

Finding the Fourth Proportional to 302,781,486.81, 417,838,634.88 and 163,552,310.10

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Solution

The fourth proportional to 302,781,486.81, 417,838,634.88 and 163,552,310.10 is: 225,702,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,781,486.81 : 417,838,634.88 = 163,552,310.10 : x
  2. Step 2: Convert to fraction form
    302,781,486.81/417,838,634.88 = 163,552,310.10/x
  3. Step 3: Cross multiply
    302,781,486.81x = 417,838,634.88 × 163,552,310.10
  4. Step 4: Simplify right side
    302,781,486.81x = 68,338,473,983,654,432
  5. Step 5: Solve for x
    x = 68,338,473,983,654,432/302,781,486.81
  6. Step 6: Final answer
    x = 225,702,286.83

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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.