Home / 190,625,101.80-285,937,652.70-132,512,028.45

Finding the Fourth Proportional to 190,625,101.80, 285,937,652.70 and 132,512,028.45

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Solution

The fourth proportional to 190,625,101.80, 285,937,652.70 and 132,512,028.45 is: 198,768,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,625,101.80 : 285,937,652.70 = 132,512,028.45 : x
  2. Step 2: Convert to fraction form
    190,625,101.80/285,937,652.70 = 132,512,028.45/x
  3. Step 3: Cross multiply
    190,625,101.80x = 285,937,652.70 × 132,512,028.45
  4. Step 4: Simplify right side
    190,625,101.80x = 37,890,178,369,508,616
  5. Step 5: Solve for x
    x = 37,890,178,369,508,616/190,625,101.80
  6. Step 6: Final answer
    x = 198,768,042.68

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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.