Home / 256,023,088.26-383,879,116.53-100,390,445.70

Finding the Fourth Proportional to 256,023,088.26, 383,879,116.53 and 100,390,445.70

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Solution

The fourth proportional to 256,023,088.26, 383,879,116.53 and 100,390,445.70 is: 150,524,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,023,088.26 : 383,879,116.53 = 100,390,445.70 : x
  2. Step 2: Convert to fraction form
    256,023,088.26/383,879,116.53 = 100,390,445.70/x
  3. Step 3: Cross multiply
    256,023,088.26x = 383,879,116.53 × 100,390,445.70
  4. Step 4: Simplify right side
    256,023,088.26x = 38,537,795,603,368,936
  5. Step 5: Solve for x
    x = 38,537,795,603,368,936/256,023,088.26
  6. Step 6: Final answer
    x = 150,524,688.48

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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.