Finding the Fourth Proportional to 81,544,381.84, 112,531,262.36 and 44,874,952.84
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Solution
The fourth proportional to 81,544,381.84, 112,531,262.36 and 44,874,952.84 is: 61,927,443.41
Step by Step Solution
- Step 1: Write the proportion equation
81,544,381.84 : 112,531,262.36 = 44,874,952.84 : x - Step 2: Convert to fraction form
81,544,381.84/112,531,262.36 = 44,874,952.84/x - Step 3: Cross multiply
81,544,381.84x = 112,531,262.36 × 44,874,952.84 - Step 4: Simplify right side
81,544,381.84x = 5,049,835,091,430,667 - Step 5: Solve for x
x = 5,049,835,091,430,667/81,544,381.84 - Step 6: Final answer
x = 61,927,443.41
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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.