Home / 258,054,971.20-387,082,456.80-237,451,681.60

Finding the Fourth Proportional to 258,054,971.20, 387,082,456.80 and 237,451,681.60

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Solution

The fourth proportional to 258,054,971.20, 387,082,456.80 and 237,451,681.60 is: 356,177,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,054,971.20 : 387,082,456.80 = 237,451,681.60 : x
  2. Step 2: Convert to fraction form
    258,054,971.20/387,082,456.80 = 237,451,681.60/x
  3. Step 3: Cross multiply
    258,054,971.20x = 387,082,456.80 × 237,451,681.60
  4. Step 4: Simplify right side
    258,054,971.20x = 91,913,380,285,019,360
  5. Step 5: Solve for x
    x = 91,913,380,285,019,360/258,054,971.20
  6. Step 6: Final answer
    x = 356,177,522.40

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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.