Home / 255,485,543.51-383,228,315.26-80,626,299.62

Finding the Fourth Proportional to 255,485,543.51, 383,228,315.26 and 80,626,299.62

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Solution

The fourth proportional to 255,485,543.51, 383,228,315.26 and 80,626,299.62 is: 120,939,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,485,543.51 : 383,228,315.26 = 80,626,299.62 : x
  2. Step 2: Convert to fraction form
    255,485,543.51/383,228,315.26 = 80,626,299.62/x
  3. Step 3: Cross multiply
    255,485,543.51x = 383,228,315.26 × 80,626,299.62
  4. Step 4: Simplify right side
    255,485,543.51x = 30,898,280,969,020,580
  5. Step 5: Solve for x
    x = 30,898,280,969,020,580/255,485,543.51
  6. Step 6: Final answer
    x = 120,939,449.43

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1.5x scale

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.