Home / 134,135,999.40-201,203,999.10-100,123,775.40

Finding the Fourth Proportional to 134,135,999.40, 201,203,999.10 and 100,123,775.40

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Solution

The fourth proportional to 134,135,999.40, 201,203,999.10 and 100,123,775.40 is: 150,185,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,135,999.40 : 201,203,999.10 = 100,123,775.40 : x
  2. Step 2: Convert to fraction form
    134,135,999.40/201,203,999.10 = 100,123,775.40/x
  3. Step 3: Cross multiply
    134,135,999.40x = 201,203,999.10 × 100,123,775.40
  4. Step 4: Simplify right side
    134,135,999.40x = 20,145,304,015,470,204
  5. Step 5: Solve for x
    x = 20,145,304,015,470,204/134,135,999.40
  6. Step 6: Final answer
    x = 150,185,663.10

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1.5x scale

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.