Home / 258,634,387.82-388,002,688.32-94,873,664.90

Finding the Fourth Proportional to 258,634,387.82, 388,002,688.32 and 94,873,664.90

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Solution

The fourth proportional to 258,634,387.82, 388,002,688.32 and 94,873,664.90 is: 142,329,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,634,387.82 : 388,002,688.32 = 94,873,664.90 : x
  2. Step 2: Convert to fraction form
    258,634,387.82/388,002,688.32 = 94,873,664.90/x
  3. Step 3: Cross multiply
    258,634,387.82x = 388,002,688.32 × 94,873,664.90
  4. Step 4: Simplify right side
    258,634,387.82x = 36,811,237,031,970,824
  5. Step 5: Solve for x
    x = 36,811,237,031,970,824/258,634,387.82
  6. Step 6: Final answer
    x = 142,329,244.55

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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.