Home / 99,879,858-149,819,790.24-28,076,274

Finding the Fourth Proportional to 99,879,858, 149,819,790.24 and 28,076,274

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Solution

The fourth proportional to 99,879,858, 149,819,790.24 and 28,076,274 is: 42,114,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,879,858 : 149,819,790.24 = 28,076,274 : x
  2. Step 2: Convert to fraction form
    99,879,858/149,819,790.24 = 28,076,274/x
  3. Step 3: Cross multiply
    99,879,858x = 149,819,790.24 × 28,076,274
  4. Step 4: Simplify right side
    99,879,858x = 4,206,381,481,400,766
  5. Step 5: Solve for x
    x = 4,206,381,481,400,766/99,879,858
  6. Step 6: Final answer
    x = 42,114,411.91

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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.