Home / 314,194,982.40-471,073,365.36-139,222,851.84

Finding the Fourth Proportional to 314,194,982.40, 471,073,365.36 and 139,222,851.84

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Solution

The fourth proportional to 314,194,982.40, 471,073,365.36 and 139,222,851.84 is: 208,737,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,194,982.40 : 471,073,365.36 = 139,222,851.84 : x
  2. Step 2: Convert to fraction form
    314,194,982.40/471,073,365.36 = 139,222,851.84/x
  3. Step 3: Cross multiply
    314,194,982.40x = 471,073,365.36 × 139,222,851.84
  4. Step 4: Simplify right side
    314,194,982.40x = 65,584,177,351,285,472
  5. Step 5: Solve for x
    x = 65,584,177,351,285,472/314,194,982.40
  6. Step 6: Final answer
    x = 208,737,188.77

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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.