Finding the Fourth Proportional to 86,773,965.11, 119,747,743.35 and 47,616,397.14
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Solution
The fourth proportional to 86,773,965.11, 119,747,743.35 and 47,616,397.14 is: 65,710,447.79
Step by Step Solution
- Step 1: Write the proportion equation
86,773,965.11 : 119,747,743.35 = 47,616,397.14 : x - Step 2: Convert to fraction form
86,773,965.11/119,747,743.35 = 47,616,397.14/x - Step 3: Cross multiply
86,773,965.11x = 119,747,743.35 × 47,616,397.14 - Step 4: Simplify right side
86,773,965.11x = 5,701,956,103,972,394 - Step 5: Solve for x
x = 5,701,956,103,972,394/86,773,965.11 - Step 6: Final answer
x = 65,710,447.79
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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.