Home / 146,906,999.40-220,530,210.30-78,882,551.40

Finding the Fourth Proportional to 146,906,999.40, 220,530,210.30 and 78,882,551.40

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Solution

The fourth proportional to 146,906,999.40, 220,530,210.30 and 78,882,551.40 is: 118,414,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,906,999.40 : 220,530,210.30 = 78,882,551.40 : x
  2. Step 2: Convert to fraction form
    146,906,999.40/220,530,210.30 = 78,882,551.40/x
  3. Step 3: Cross multiply
    146,906,999.40x = 220,530,210.30 × 78,882,551.40
  4. Step 4: Simplify right side
    146,906,999.40x = 17,395,985,649,242,562
  5. Step 5: Solve for x
    x = 17,395,985,649,242,562/146,906,999.40
  6. Step 6: Final answer
    x = 118,414,954.50

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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.