Home / 278,683,106.98-417,790,826.34-123,211,813.90

Finding the Fourth Proportional to 278,683,106.98, 417,790,826.34 and 123,211,813.90

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Solution

The fourth proportional to 278,683,106.98, 417,790,826.34 and 123,211,813.90 is: 184,714,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,683,106.98 : 417,790,826.34 = 123,211,813.90 : x
  2. Step 2: Convert to fraction form
    278,683,106.98/417,790,826.34 = 123,211,813.90/x
  3. Step 3: Cross multiply
    278,683,106.98x = 417,790,826.34 × 123,211,813.90
  4. Step 4: Simplify right side
    278,683,106.98x = 51,476,765,544,131,296
  5. Step 5: Solve for x
    x = 51,476,765,544,131,296/278,683,106.98
  6. Step 6: Final answer
    x = 184,714,337.74

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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.