Home / 134,135,998.40-201,203,997.60-66,111,550.40

Finding the Fourth Proportional to 134,135,998.40, 201,203,997.60 and 66,111,550.40

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Solution

The fourth proportional to 134,135,998.40, 201,203,997.60 and 66,111,550.40 is: 99,167,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,135,998.40 : 201,203,997.60 = 66,111,550.40 : x
  2. Step 2: Convert to fraction form
    134,135,998.40/201,203,997.60 = 66,111,550.40/x
  3. Step 3: Cross multiply
    134,135,998.40x = 201,203,997.60 × 66,111,550.40
  4. Step 4: Simplify right side
    134,135,998.40x = 13,301,908,228,013,878
  5. Step 5: Solve for x
    x = 13,301,908,228,013,878/134,135,998.40
  6. Step 6: Final answer
    x = 99,167,325.60

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Double scale
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Similar ratio
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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.