Home / 123,626,676.80-185,440,015.20-31,510,236.80

Finding the Fourth Proportional to 123,626,676.80, 185,440,015.20 and 31,510,236.80

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Solution

The fourth proportional to 123,626,676.80, 185,440,015.20 and 31,510,236.80 is: 47,265,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,626,676.80 : 185,440,015.20 = 31,510,236.80 : x
  2. Step 2: Convert to fraction form
    123,626,676.80/185,440,015.20 = 31,510,236.80/x
  3. Step 3: Cross multiply
    123,626,676.80x = 185,440,015.20 × 31,510,236.80
  4. Step 4: Simplify right side
    123,626,676.80x = 5,843,258,791,147,599
  5. Step 5: Solve for x
    x = 5,843,258,791,147,599/123,626,676.80
  6. Step 6: Final answer
    x = 47,265,355.20

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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.