Home / 285,371,590.24-393,788,753.71-158,215,670.47

Finding the Fourth Proportional to 285,371,590.24, 393,788,753.71 and 158,215,670.47

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Solution

The fourth proportional to 285,371,590.24, 393,788,753.71 and 158,215,670.47 is: 218,324,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,371,590.24 : 393,788,753.71 = 158,215,670.47 : x
  2. Step 2: Convert to fraction form
    285,371,590.24/393,788,753.71 = 158,215,670.47/x
  3. Step 3: Cross multiply
    285,371,590.24x = 393,788,753.71 × 158,215,670.47
  4. Step 4: Simplify right side
    285,371,590.24x = 62,303,551,691,773,344
  5. Step 5: Solve for x
    x = 62,303,551,691,773,344/285,371,590.24
  6. Step 6: Final answer
    x = 218,324,296.54

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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.