Finding the Fourth Proportional to 151,149,541.41, 208,579,657.01 and 84,171,954.15
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Solution
The fourth proportional to 151,149,541.41, 208,579,657.01 and 84,171,954.15 is: 116,153,559.99
Step by Step Solution
- Step 1: Write the proportion equation
151,149,541.41 : 208,579,657.01 = 84,171,954.15 : x - Step 2: Convert to fraction form
151,149,541.41/208,579,657.01 = 84,171,954.15/x - Step 3: Cross multiply
151,149,541.41x = 208,579,657.01 × 84,171,954.15 - Step 4: Simplify right side
151,149,541.41x = 17,556,557,326,047,588 - Step 5: Solve for x
x = 17,556,557,326,047,588/151,149,541.41 - Step 6: Final answer
x = 116,153,559.99
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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.