Home / 285,446,606.54-393,909,285.98-158,286,582.20

Finding the Fourth Proportional to 285,446,606.54, 393,909,285.98 and 158,286,582.20

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Solution

The fourth proportional to 285,446,606.54, 393,909,285.98 and 158,286,582.20 is: 218,431,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,446,606.54 : 393,909,285.98 = 158,286,582.20 : x
  2. Step 2: Convert to fraction form
    285,446,606.54/393,909,285.98 = 158,286,582.20/x
  3. Step 3: Cross multiply
    285,446,606.54x = 393,909,285.98 × 158,286,582.20
  4. Step 4: Simplify right side
    285,446,606.54x = 62,350,554,573,010,224
  5. Step 5: Solve for x
    x = 62,350,554,573,010,224/285,446,606.54
  6. Step 6: Final answer
    x = 218,431,584.56

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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.