Home / 262,362,209.80-393,781,260.30-133,059,771.40

Finding the Fourth Proportional to 262,362,209.80, 393,781,260.30 and 133,059,771.40

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Solution

The fourth proportional to 262,362,209.80, 393,781,260.30 and 133,059,771.40 is: 199,710,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,362,209.80 : 393,781,260.30 = 133,059,771.40 : x
  2. Step 2: Convert to fraction form
    262,362,209.80/393,781,260.30 = 133,059,771.40/x
  3. Step 3: Cross multiply
    262,362,209.80x = 393,781,260.30 × 133,059,771.40
  4. Step 4: Simplify right side
    262,362,209.80x = 52,396,444,477,121,896
  5. Step 5: Solve for x
    x = 52,396,444,477,121,896/262,362,209.80
  6. Step 6: Final answer
    x = 199,710,333.73

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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.