Home / 255,841,470.26-353,061,226.22-138,366,800.50

Finding the Fourth Proportional to 255,841,470.26, 353,061,226.22 and 138,366,800.50

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Solution

The fourth proportional to 255,841,470.26, 353,061,226.22 and 138,366,800.50 is: 190,946,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,841,470.26 : 353,061,226.22 = 138,366,800.50 : x
  2. Step 2: Convert to fraction form
    255,841,470.26/353,061,226.22 = 138,366,800.50/x
  3. Step 3: Cross multiply
    255,841,470.26x = 353,061,226.22 × 138,366,800.50
  4. Step 4: Simplify right side
    255,841,470.26x = 48,851,952,250,210,968
  5. Step 5: Solve for x
    x = 48,851,952,250,210,968/255,841,470.26
  6. Step 6: Final answer
    x = 190,946,183.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.