Home / 278,069,879.40-416,626,522.20-180,975,608.70

Finding the Fourth Proportional to 278,069,879.40, 416,626,522.20 and 180,975,608.70

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Solution

The fourth proportional to 278,069,879.40, 416,626,522.20 and 180,975,608.70 is: 271,152,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,069,879.40 : 416,626,522.20 = 180,975,608.70 : x
  2. Step 2: Convert to fraction form
    278,069,879.40/416,626,522.20 = 180,975,608.70/x
  3. Step 3: Cross multiply
    278,069,879.40x = 416,626,522.20 × 180,975,608.70
  4. Step 4: Simplify right side
    278,069,879.40x = 75,399,238,455,709,056
  5. Step 5: Solve for x
    x = 75,399,238,455,709,056/278,069,879.40
  6. Step 6: Final answer
    x = 271,152,124.13

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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.