Home / 186,865,892.27-280,399,226.57-77,766,279.47

Finding the Fourth Proportional to 186,865,892.27, 280,399,226.57 and 77,766,279.47

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Solution

The fourth proportional to 186,865,892.27, 280,399,226.57 and 77,766,279.47 is: 116,691,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,865,892.27 : 280,399,226.57 = 77,766,279.47 : x
  2. Step 2: Convert to fraction form
    186,865,892.27/280,399,226.57 = 77,766,279.47/x
  3. Step 3: Cross multiply
    186,865,892.27x = 280,399,226.57 × 77,766,279.47
  4. Step 4: Simplify right side
    186,865,892.27x = 21,805,604,616,166,764
  5. Step 5: Solve for x
    x = 21,805,604,616,166,764/186,865,892.27
  6. Step 6: Final answer
    x = 116,691,196.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.