Home / 113,871,836.40-170,807,754.60-108,297,999.60

Finding the Fourth Proportional to 113,871,836.40, 170,807,754.60 and 108,297,999.60

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Solution

The fourth proportional to 113,871,836.40, 170,807,754.60 and 108,297,999.60 is: 162,446,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,871,836.40 : 170,807,754.60 = 108,297,999.60 : x
  2. Step 2: Convert to fraction form
    113,871,836.40/170,807,754.60 = 108,297,999.60/x
  3. Step 3: Cross multiply
    113,871,836.40x = 170,807,754.60 × 108,297,999.60
  4. Step 4: Simplify right side
    113,871,836.40x = 18,498,138,139,347,696
  5. Step 5: Solve for x
    x = 18,498,138,139,347,696/113,871,836.40
  6. Step 6: Final answer
    x = 162,446,999.40

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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.