Home / 77,325,000.20-115,987,500.30-51,844,603.40

Finding the Fourth Proportional to 77,325,000.20, 115,987,500.30 and 51,844,603.40

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Solution

The fourth proportional to 77,325,000.20, 115,987,500.30 and 51,844,603.40 is: 77,766,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,325,000.20 : 115,987,500.30 = 51,844,603.40 : x
  2. Step 2: Convert to fraction form
    77,325,000.20/115,987,500.30 = 51,844,603.40/x
  3. Step 3: Cross multiply
    77,325,000.20x = 115,987,500.30 × 51,844,603.40
  4. Step 4: Simplify right side
    77,325,000.20x = 6,013,325,952,410,881
  5. Step 5: Solve for x
    x = 6,013,325,952,410,881/77,325,000.20
  6. Step 6: Final answer
    x = 77,766,905.10

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1.5x scale

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.