Home / 132,871,837.20-199,289,093.40-42,004,611.60

Finding the Fourth Proportional to 132,871,837.20, 199,289,093.40 and 42,004,611.60

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Solution

The fourth proportional to 132,871,837.20, 199,289,093.40 and 42,004,611.60 is: 63,001,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,871,837.20 : 199,289,093.40 = 42,004,611.60 : x
  2. Step 2: Convert to fraction form
    132,871,837.20/199,289,093.40 = 42,004,611.60/x
  3. Step 3: Cross multiply
    132,871,837.20x = 199,289,093.40 × 42,004,611.60
  4. Step 4: Simplify right side
    132,871,837.20x = 8,371,060,964,383,124
  5. Step 5: Solve for x
    x = 8,371,060,964,383,124/132,871,837.20
  6. Step 6: Final answer
    x = 63,001,017.68

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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.