Finding the Fourth Proportional to 61,583,555.97, 84,976,165.71 and 37,403,313.06
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Solution
The fourth proportional to 61,583,555.97, 84,976,165.71 and 37,403,313.06 is: 51,611,019.84
Step by Step Solution
- Step 1: Write the proportion equation
61,583,555.97 : 84,976,165.71 = 37,403,313.06 : x - Step 2: Convert to fraction form
61,583,555.97/84,976,165.71 = 37,403,313.06/x - Step 3: Cross multiply
61,583,555.97x = 84,976,165.71 × 37,403,313.06 - Step 4: Simplify right side
61,583,555.97x = 3,178,390,128,689,567 - Step 5: Solve for x
x = 3,178,390,128,689,567/61,583,555.97 - Step 6: Final answer
x = 51,611,019.84
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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.