Home / 90,990,152.20-136,485,228.30-26,296,067.80

Finding the Fourth Proportional to 90,990,152.20, 136,485,228.30 and 26,296,067.80

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Solution

The fourth proportional to 90,990,152.20, 136,485,228.30 and 26,296,067.80 is: 39,444,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,990,152.20 : 136,485,228.30 = 26,296,067.80 : x
  2. Step 2: Convert to fraction form
    90,990,152.20/136,485,228.30 = 26,296,067.80/x
  3. Step 3: Cross multiply
    90,990,152.20x = 136,485,228.30 × 26,296,067.80
  4. Step 4: Simplify right side
    90,990,152.20x = 3,589,024,817,075,279
  5. Step 5: Solve for x
    x = 3,589,024,817,075,279/90,990,152.20
  6. Step 6: Final answer
    x = 39,444,101.70

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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.