Home / 440,093,150.40-660,139,725.60-133,345,405.20

Finding the Fourth Proportional to 440,093,150.40, 660,139,725.60 and 133,345,405.20

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Solution

The fourth proportional to 440,093,150.40, 660,139,725.60 and 133,345,405.20 is: 200,018,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,093,150.40 : 660,139,725.60 = 133,345,405.20 : x
  2. Step 2: Convert to fraction form
    440,093,150.40/660,139,725.60 = 133,345,405.20/x
  3. Step 3: Cross multiply
    440,093,150.40x = 660,139,725.60 × 133,345,405.20
  4. Step 4: Simplify right side
    440,093,150.40x = 88,026,599,198,748,816
  5. Step 5: Solve for x
    x = 88,026,599,198,748,816/440,093,150.40
  6. Step 6: Final answer
    x = 200,018,107.80

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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.