Home / 42,768,026.20-64,096,052.10-17,188,096.60

Finding the Fourth Proportional to 42,768,026.20, 64,096,052.10 and 17,188,096.60

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Solution

The fourth proportional to 42,768,026.20, 64,096,052.10 and 17,188,096.60 is: 25,759,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,026.20 : 64,096,052.10 = 17,188,096.60 : x
  2. Step 2: Convert to fraction form
    42,768,026.20/64,096,052.10 = 17,188,096.60/x
  3. Step 3: Cross multiply
    42,768,026.20x = 64,096,052.10 × 17,188,096.60
  4. Step 4: Simplify right side
    42,768,026.20x = 1,101,689,135,173,433
  5. Step 5: Solve for x
    x = 1,101,689,135,173,433/42,768,026.20
  6. Step 6: Final answer
    x = 25,759,644.13

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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.