Home / 228,064,109.72-314,988,286.44-154,597,705.88

Finding the Fourth Proportional to 228,064,109.72, 314,988,286.44 and 154,597,705.88

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Solution

The fourth proportional to 228,064,109.72, 314,988,286.44 and 154,597,705.88 is: 213,520,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,064,109.72 : 314,988,286.44 = 154,597,705.88 : x
  2. Step 2: Convert to fraction form
    228,064,109.72/314,988,286.44 = 154,597,705.88/x
  3. Step 3: Cross multiply
    228,064,109.72x = 314,988,286.44 × 154,597,705.88
  4. Step 4: Simplify right side
    228,064,109.72x = 48,696,466,462,696,312
  5. Step 5: Solve for x
    x = 48,696,466,462,696,312/228,064,109.72
  6. Step 6: Final answer
    x = 213,520,954.80

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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.