Home / 192,579,603.12-288,689,692.45-75,995,924.53

Finding the Fourth Proportional to 192,579,603.12, 288,689,692.45 and 75,995,924.53

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Solution

The fourth proportional to 192,579,603.12, 288,689,692.45 and 75,995,924.53 is: 113,922,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,579,603.12 : 288,689,692.45 = 75,995,924.53 : x
  2. Step 2: Convert to fraction form
    192,579,603.12/288,689,692.45 = 75,995,924.53/x
  3. Step 3: Cross multiply
    192,579,603.12x = 288,689,692.45 × 75,995,924.53
  4. Step 4: Simplify right side
    192,579,603.12x = 21,939,240,079,597,300
  5. Step 5: Solve for x
    x = 21,939,240,079,597,300/192,579,603.12
  6. Step 6: Final answer
    x = 113,922,968.60

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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.