Home / 256,519,795.28-353,987,833.75-139,042,603.25

Finding the Fourth Proportional to 256,519,795.28, 353,987,833.75 and 139,042,603.25

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Solution

The fourth proportional to 256,519,795.28, 353,987,833.75 and 139,042,603.25 is: 191,873,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,519,795.28 : 353,987,833.75 = 139,042,603.25 : x
  2. Step 2: Convert to fraction form
    256,519,795.28/353,987,833.75 = 139,042,603.25/x
  3. Step 3: Cross multiply
    256,519,795.28x = 353,987,833.75 × 139,042,603.25
  4. Step 4: Simplify right side
    256,519,795.28x = 49,219,389,924,486,984
  5. Step 5: Solve for x
    x = 49,219,389,924,486,984/256,519,795.28
  6. Step 6: Final answer
    x = 191,873,651.97

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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.