Home / 285,648,066.12-394,237,420.74-174,203,561.64

Finding the Fourth Proportional to 285,648,066.12, 394,237,420.74 and 174,203,561.64

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Solution

The fourth proportional to 285,648,066.12, 394,237,420.74 and 174,203,561.64 is: 240,427,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,648,066.12 : 394,237,420.74 = 174,203,561.64 : x
  2. Step 2: Convert to fraction form
    285,648,066.12/394,237,420.74 = 174,203,561.64/x
  3. Step 3: Cross multiply
    285,648,066.12x = 394,237,420.74 × 174,203,561.64
  4. Step 4: Simplify right side
    285,648,066.12x = 68,677,562,824,675,200
  5. Step 5: Solve for x
    x = 68,677,562,824,675,200/285,648,066.12
  6. Step 6: Final answer
    x = 240,427,193.36

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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.