Home / 263,888,350.80-395,832,526.20-142,955,998.80

Finding the Fourth Proportional to 263,888,350.80, 395,832,526.20 and 142,955,998.80

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Solution

The fourth proportional to 263,888,350.80, 395,832,526.20 and 142,955,998.80 is: 214,433,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,888,350.80 : 395,832,526.20 = 142,955,998.80 : x
  2. Step 2: Convert to fraction form
    263,888,350.80/395,832,526.20 = 142,955,998.80/x
  3. Step 3: Cross multiply
    263,888,350.80x = 395,832,526.20 × 142,955,998.80
  4. Step 4: Simplify right side
    263,888,350.80x = 56,586,634,140,448,168
  5. Step 5: Solve for x
    x = 56,586,634,140,448,168/263,888,350.80
  6. Step 6: Final answer
    x = 214,433,998.20

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Similar ratio
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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.