Finding the Fourth Proportional to 67,428,864.36, 93,051,832.91 and 36,489,033.63
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Solution
The fourth proportional to 67,428,864.36, 93,051,832.91 and 36,489,033.63 is: 50,354,866.46
Step by Step Solution
- Step 1: Write the proportion equation
67,428,864.36 : 93,051,832.91 = 36,489,033.63 : x - Step 2: Convert to fraction form
67,428,864.36/93,051,832.91 = 36,489,033.63/x - Step 3: Cross multiply
67,428,864.36x = 93,051,832.91 × 36,489,033.63 - Step 4: Simplify right side
67,428,864.36x = 3,395,371,460,203,686 - Step 5: Solve for x
x = 3,395,371,460,203,686/67,428,864.36 - Step 6: Final answer
x = 50,354,866.46
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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.