Home / 256,023,025.35-383,879,022.21-100,390,382.70

Finding the Fourth Proportional to 256,023,025.35, 383,879,022.21 and 100,390,382.70

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Solution

The fourth proportional to 256,023,025.35, 383,879,022.21 and 100,390,382.70 is: 150,524,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,023,025.35 : 383,879,022.21 = 100,390,382.70 : x
  2. Step 2: Convert to fraction form
    256,023,025.35/383,879,022.21 = 100,390,382.70/x
  3. Step 3: Cross multiply
    256,023,025.35x = 383,879,022.21 × 100,390,382.70
  4. Step 4: Simplify right side
    256,023,025.35x = 38,537,761,950,163,696
  5. Step 5: Solve for x
    x = 38,537,761,950,163,696/256,023,025.35
  6. Step 6: Final answer
    x = 150,524,594.02

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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.