Home / 100,102,452.72-150,098,941.23-79,485,328.95

Finding the Fourth Proportional to 100,102,452.72, 150,098,941.23 and 79,485,328.95

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Solution

The fourth proportional to 100,102,452.72, 150,098,941.23 and 79,485,328.95 is: 119,184,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,102,452.72 : 150,098,941.23 = 79,485,328.95 : x
  2. Step 2: Convert to fraction form
    100,102,452.72/150,098,941.23 = 79,485,328.95/x
  3. Step 3: Cross multiply
    100,102,452.72x = 150,098,941.23 × 79,485,328.95
  4. Step 4: Simplify right side
    100,102,452.72x = 11,930,663,718,713,268
  5. Step 5: Solve for x
    x = 11,930,663,718,713,268/100,102,452.72
  6. Step 6: Final answer
    x = 119,184,529.39

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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.