Home / 314,194,983.40-471,073,366.86-139,222,852.84

Finding the Fourth Proportional to 314,194,983.40, 471,073,366.86 and 139,222,852.84

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Solution

The fourth proportional to 314,194,983.40, 471,073,366.86 and 139,222,852.84 is: 208,737,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,194,983.40 : 471,073,366.86 = 139,222,852.84 : x
  2. Step 2: Convert to fraction form
    314,194,983.40/471,073,366.86 = 139,222,852.84/x
  3. Step 3: Cross multiply
    314,194,983.40x = 471,073,366.86 × 139,222,852.84
  4. Step 4: Simplify right side
    314,194,983.40x = 65,584,178,031,193,120
  5. Step 5: Solve for x
    x = 65,584,178,031,193,120/314,194,983.40
  6. Step 6: Final answer
    x = 208,737,190.27

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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.