Home / 109,367,107.20-164,050,660.80-28,588,075.20

Finding the Fourth Proportional to 109,367,107.20, 164,050,660.80 and 28,588,075.20

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Solution

The fourth proportional to 109,367,107.20, 164,050,660.80 and 28,588,075.20 is: 42,882,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,367,107.20 : 164,050,660.80 = 28,588,075.20 : x
  2. Step 2: Convert to fraction form
    109,367,107.20/164,050,660.80 = 28,588,075.20/x
  3. Step 3: Cross multiply
    109,367,107.20x = 164,050,660.80 × 28,588,075.20
  4. Step 4: Simplify right side
    109,367,107.20x = 4,689,892,627,560,092
  5. Step 5: Solve for x
    x = 4,689,892,627,560,092/109,367,107.20
  6. Step 6: Final answer
    x = 42,882,112.80

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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.