Home / 285,371,589.24-393,788,752.34-158,215,669.47

Finding the Fourth Proportional to 285,371,589.24, 393,788,752.34 and 158,215,669.47

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Solution

The fourth proportional to 285,371,589.24, 393,788,752.34 and 158,215,669.47 is: 218,324,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,371,589.24 : 393,788,752.34 = 158,215,669.47 : x
  2. Step 2: Convert to fraction form
    285,371,589.24/393,788,752.34 = 158,215,669.47/x
  3. Step 3: Cross multiply
    285,371,589.24x = 393,788,752.34 × 158,215,669.47
  4. Step 4: Simplify right side
    285,371,589.24x = 62,303,551,080,438,048
  5. Step 5: Solve for x
    x = 62,303,551,080,438,048/285,371,589.24
  6. Step 6: Final answer
    x = 218,324,295.16

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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.