Finding the Fourth Proportional to 86,773,964.36, 119,747,742.30 and 47,616,396.39
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Solution
The fourth proportional to 86,773,964.36, 119,747,742.30 and 47,616,396.39 is: 65,710,446.75
Step by Step Solution
- Step 1: Write the proportion equation
86,773,964.36 : 119,747,742.30 = 47,616,396.39 : x - Step 2: Convert to fraction form
86,773,964.36/119,747,742.30 = 47,616,396.39/x - Step 3: Cross multiply
86,773,964.36x = 119,747,742.30 × 47,616,396.39 - Step 4: Simplify right side
86,773,964.36x = 5,701,955,964,164,370 - Step 5: Solve for x
x = 5,701,955,964,164,370/86,773,964.36 - Step 6: Final answer
x = 65,710,446.75
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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.