Finding the Fourth Proportional to 91,646,068.80, 137,465,992.80 and 23,489,428.80
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Solution
The fourth proportional to 91,646,068.80, 137,465,992.80 and 23,489,428.80 is: 35,233,345.99
Step by Step Solution
- Step 1: Write the proportion equation
91,646,068.80 : 137,465,992.80 = 23,489,428.80 : x - Step 2: Convert to fraction form
91,646,068.80/137,465,992.80 = 23,489,428.80/x - Step 3: Cross multiply
91,646,068.80x = 137,465,992.80 × 23,489,428.80 - Step 4: Simplify right side
91,646,068.80x = 3,228,997,650,296,913 - Step 5: Solve for x
x = 3,228,997,650,296,913/91,646,068.80 - Step 6: Final answer
x = 35,233,345.99
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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.