Home / 340,993,003.40-511,153,581.90-168,496,440.20

Finding the Fourth Proportional to 340,993,003.40, 511,153,581.90 and 168,496,440.20

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Solution

The fourth proportional to 340,993,003.40, 511,153,581.90 and 168,496,440.20 is: 252,578,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,993,003.40 : 511,153,581.90 = 168,496,440.20 : x
  2. Step 2: Convert to fraction form
    340,993,003.40/511,153,581.90 = 168,496,440.20/x
  3. Step 3: Cross multiply
    340,993,003.40x = 511,153,581.90 × 168,496,440.20
  4. Step 4: Simplify right side
    340,993,003.40x = 86,127,558,945,629,136
  5. Step 5: Solve for x
    x = 86,127,558,945,629,136/340,993,003.40
  6. Step 6: Final answer
    x = 252,578,669.03

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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.