Finding the Fourth Proportional to 247,266,743.39, 341,228,777.35 and 135,764,806.32
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Solution
The fourth proportional to 247,266,743.39, 341,228,777.35 and 135,764,806.32 is: 187,355,801.39
Step by Step Solution
- Step 1: Write the proportion equation
247,266,743.39 : 341,228,777.35 = 135,764,806.32 : x - Step 2: Convert to fraction form
247,266,743.39/341,228,777.35 = 135,764,806.32/x - Step 3: Cross multiply
247,266,743.39x = 341,228,777.35 × 135,764,806.32 - Step 4: Simplify right side
247,266,743.39x = 46,326,858,866,201,256 - Step 5: Solve for x
x = 46,326,858,866,201,256/247,266,743.39 - Step 6: Final answer
x = 187,355,801.39
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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.