Home / 194,421,961-268,175,885.46-124,696,901.80

Finding the Fourth Proportional to 194,421,961, 268,175,885.46 and 124,696,901.80

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Solution

The fourth proportional to 194,421,961, 268,175,885.46 and 124,696,901.80 is: 172,000,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,421,961 : 268,175,885.46 = 124,696,901.80 : x
  2. Step 2: Convert to fraction form
    194,421,961/268,175,885.46 = 124,696,901.80/x
  3. Step 3: Cross multiply
    194,421,961x = 268,175,885.46 × 124,696,901.80
  4. Step 4: Simplify right side
    194,421,961x = 33,440,702,054,333,668
  5. Step 5: Solve for x
    x = 33,440,702,054,333,668/194,421,961
  6. Step 6: Final answer
    x = 172,000,641.71

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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.