Home / 256,519,805.02-353,987,847.18-139,042,613

Finding the Fourth Proportional to 256,519,805.02, 353,987,847.18 and 139,042,613

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Solution

The fourth proportional to 256,519,805.02, 353,987,847.18 and 139,042,613 is: 191,873,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,519,805.02 : 353,987,847.18 = 139,042,613 : x
  2. Step 2: Convert to fraction form
    256,519,805.02/353,987,847.18 = 139,042,613/x
  3. Step 3: Cross multiply
    256,519,805.02x = 353,987,847.18 × 139,042,613
  4. Step 4: Simplify right side
    256,519,805.02x = 49,219,395,242,151,880
  5. Step 5: Solve for x
    x = 49,219,395,242,151,880/256,519,805.02
  6. Step 6: Final answer
    x = 191,873,665.42

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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.