Home / 319,081,150.23-440,365,840.38-187,033,091.55

Finding the Fourth Proportional to 319,081,150.23, 440,365,840.38 and 187,033,091.55

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Solution

The fourth proportional to 319,081,150.23, 440,365,840.38 and 187,033,091.55 is: 258,125,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,081,150.23 : 440,365,840.38 = 187,033,091.55 : x
  2. Step 2: Convert to fraction form
    319,081,150.23/440,365,840.38 = 187,033,091.55/x
  3. Step 3: Cross multiply
    319,081,150.23x = 440,365,840.38 × 187,033,091.55
  4. Step 4: Simplify right side
    319,081,150.23x = 82,362,984,539,285,232
  5. Step 5: Solve for x
    x = 82,362,984,539,285,232/319,081,150.23
  6. Step 6: Final answer
    x = 258,125,509.70

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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.