Home / 133,669,987.35-200,504,981.03-87,753,484.95

Finding the Fourth Proportional to 133,669,987.35, 200,504,981.03 and 87,753,484.95

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Solution

The fourth proportional to 133,669,987.35, 200,504,981.03 and 87,753,484.95 is: 131,630,227.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669,987.35 : 200,504,981.03 = 87,753,484.95 : x
  2. Step 2: Convert to fraction form
    133,669,987.35/200,504,981.03 = 87,753,484.95/x
  3. Step 3: Cross multiply
    133,669,987.35x = 200,504,981.03 × 87,753,484.95
  4. Step 4: Simplify right side
    133,669,987.35x = 17,595,010,835,216,142
  5. Step 5: Solve for x
    x = 17,595,010,835,216,142/133,669,987.35
  6. Step 6: Final answer
    x = 131,630,227.43

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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.