Home / 319,081,148.73-440,365,838.31-187,033,090.05

Finding the Fourth Proportional to 319,081,148.73, 440,365,838.31 and 187,033,090.05

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Solution

The fourth proportional to 319,081,148.73, 440,365,838.31 and 187,033,090.05 is: 258,125,507.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,081,148.73 : 440,365,838.31 = 187,033,090.05 : x
  2. Step 2: Convert to fraction form
    319,081,148.73/440,365,838.31 = 187,033,090.05/x
  3. Step 3: Cross multiply
    319,081,148.73x = 440,365,838.31 × 187,033,090.05
  4. Step 4: Simplify right side
    319,081,148.73x = 82,362,983,491,577,968
  5. Step 5: Solve for x
    x = 82,362,983,491,577,968/319,081,148.73
  6. Step 6: Final answer
    x = 258,125,507.63

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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.