Home / 250,947,376.60-376,421,064.90-199,291,311.40

Finding the Fourth Proportional to 250,947,376.60, 376,421,064.90 and 199,291,311.40

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Solution

The fourth proportional to 250,947,376.60, 376,421,064.90 and 199,291,311.40 is: 298,936,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,947,376.60 : 376,421,064.90 = 199,291,311.40 : x
  2. Step 2: Convert to fraction form
    250,947,376.60/376,421,064.90 = 199,291,311.40/x
  3. Step 3: Cross multiply
    250,947,376.60x = 376,421,064.90 × 199,291,311.40
  4. Step 4: Simplify right side
    250,947,376.60x = 75,017,447,662,505,504
  5. Step 5: Solve for x
    x = 75,017,447,662,505,504/250,947,376.60
  6. Step 6: Final answer
    x = 298,936,967.10

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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.