Finding the Fourth Proportional to 165,981,456.44, 248,973,132.69 and 68,937,164.09
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Solution
The fourth proportional to 165,981,456.44, 248,973,132.69 and 68,937,164.09 is: 103,406,139.88
Step by Step Solution
- Step 1: Write the proportion equation
165,981,456.44 : 248,973,132.69 = 68,937,164.09 : x - Step 2: Convert to fraction form
165,981,456.44/248,973,132.69 = 68,937,164.09/x - Step 3: Cross multiply
165,981,456.44x = 248,973,132.69 × 68,937,164.09 - Step 4: Simplify right side
165,981,456.44x = 17,163,501,701,007,006 - Step 5: Solve for x
x = 17,163,501,701,007,006/165,981,456.44 - Step 6: Final answer
x = 103,406,139.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.