Home / 146,702,980.90-220,054,471.35-131,397,480.10

Finding the Fourth Proportional to 146,702,980.90, 220,054,471.35 and 131,397,480.10

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Solution

The fourth proportional to 146,702,980.90, 220,054,471.35 and 131,397,480.10 is: 197,096,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,702,980.90 : 220,054,471.35 = 131,397,480.10 : x
  2. Step 2: Convert to fraction form
    146,702,980.90/220,054,471.35 = 131,397,480.10/x
  3. Step 3: Cross multiply
    146,702,980.90x = 220,054,471.35 × 131,397,480.10
  4. Step 4: Simplify right side
    146,702,980.90x = 28,914,603,020,127,644
  5. Step 5: Solve for x
    x = 28,914,603,020,127,644/146,702,980.90
  6. Step 6: Final answer
    x = 197,096,220.15

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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.