Home / 219,912,228.61-303,470,560.87-122,133,383.17

Finding the Fourth Proportional to 219,912,228.61, 303,470,560.87 and 122,133,383.17

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Solution

The fourth proportional to 219,912,228.61, 303,470,560.87 and 122,133,383.17 is: 168,539,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,912,228.61 : 303,470,560.87 = 122,133,383.17 : x
  2. Step 2: Convert to fraction form
    219,912,228.61/303,470,560.87 = 122,133,383.17/x
  3. Step 3: Cross multiply
    219,912,228.61x = 303,470,560.87 × 122,133,383.17
  4. Step 4: Simplify right side
    219,912,228.61x = 37,063,886,291,550,520
  5. Step 5: Solve for x
    x = 37,063,886,291,550,520/219,912,228.61
  6. Step 6: Final answer
    x = 168,539,451.06

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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.