Finding the Fourth Proportional to 81,833,938.88, 112,929,233.28 and 44,664,486.08
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Solution
The fourth proportional to 81,833,938.88, 112,929,233.28 and 44,664,486.08 is: 61,636,116.22
Step by Step Solution
- Step 1: Write the proportion equation
81,833,938.88 : 112,929,233.28 = 44,664,486.08 : x - Step 2: Convert to fraction form
81,833,938.88/112,929,233.28 = 44,664,486.08/x - Step 3: Cross multiply
81,833,938.88x = 112,929,233.28 × 44,664,486.08 - Step 4: Simplify right side
81,833,938.88x = 5,043,926,167,859,633 - Step 5: Solve for x
x = 5,043,926,167,859,633/81,833,938.88 - Step 6: Final answer
x = 61,636,116.22
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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.