Finding the Fourth Proportional to 86,773,962.11, 119,747,739.22 and 47,616,394.14
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Solution
The fourth proportional to 86,773,962.11, 119,747,739.22 and 47,616,394.14 is: 65,710,443.66
Step by Step Solution
- Step 1: Write the proportion equation
86,773,962.11 : 119,747,739.22 = 47,616,394.14 : x - Step 2: Convert to fraction form
86,773,962.11/119,747,739.22 = 47,616,394.14/x - Step 3: Cross multiply
86,773,962.11x = 119,747,739.22 × 47,616,394.14 - Step 4: Simplify right side
86,773,962.11x = 5,701,955,547,954,415 - Step 5: Solve for x
x = 5,701,955,547,954,415/86,773,962.11 - Step 6: Final answer
x = 65,710,443.66
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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.