Home / 194,421,970-268,175,897.88-124,696,910.80

Finding the Fourth Proportional to 194,421,970, 268,175,897.88 and 124,696,910.80

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Solution

The fourth proportional to 194,421,970, 268,175,897.88 and 124,696,910.80 is: 172,000,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,421,970 : 268,175,897.88 = 124,696,910.80 : x
  2. Step 2: Convert to fraction form
    194,421,970/268,175,897.88 = 124,696,910.80/x
  3. Step 3: Cross multiply
    194,421,970x = 268,175,897.88 × 124,696,910.80
  4. Step 4: Simplify right side
    194,421,970x = 33,440,706,016,652,268
  5. Step 5: Solve for x
    x = 33,440,706,016,652,268/194,421,970
  6. Step 6: Final answer
    x = 172,000,654.13

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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.