Home / 258,081,687.34-356,195,441.76-152,260,973.78

Finding the Fourth Proportional to 258,081,687.34, 356,195,441.76 and 152,260,973.78

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Solution

The fourth proportional to 258,081,687.34, 356,195,441.76 and 152,260,973.78 is: 210,145,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,081,687.34 : 356,195,441.76 = 152,260,973.78 : x
  2. Step 2: Convert to fraction form
    258,081,687.34/356,195,441.76 = 152,260,973.78/x
  3. Step 3: Cross multiply
    258,081,687.34x = 356,195,441.76 × 152,260,973.78
  4. Step 4: Simplify right side
    258,081,687.34x = 54,234,664,816,024,440
  5. Step 5: Solve for x
    x = 54,234,664,816,024,440/258,081,687.34
  6. Step 6: Final answer
    x = 210,145,343.42

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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.