Home / 192,404,408.80-288,578,619.60-56,075,576.80

Finding the Fourth Proportional to 192,404,408.80, 288,578,619.60 and 56,075,576.80

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Solution

The fourth proportional to 192,404,408.80, 288,578,619.60 and 56,075,576.80 is: 84,105,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,404,408.80 : 288,578,619.60 = 56,075,576.80 : x
  2. Step 2: Convert to fraction form
    192,404,408.80/288,578,619.60 = 56,075,576.80/x
  3. Step 3: Cross multiply
    192,404,408.80x = 288,578,619.60 × 56,075,576.80
  4. Step 4: Simplify right side
    192,404,408.80x = 16,182,212,546,217,786
  5. Step 5: Solve for x
    x = 16,182,212,546,217,786/192,404,408.80
  6. Step 6: Final answer
    x = 84,105,206.57

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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.