Finding the Fourth Proportional to 81,706,957.52, 112,752,207.90 and 44,536,419.99
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Solution
The fourth proportional to 81,706,957.52, 112,752,207.90 and 44,536,419.99 is: 61,458,409.89
Step by Step Solution
- Step 1: Write the proportion equation
81,706,957.52 : 112,752,207.90 = 44,536,419.99 : x - Step 2: Convert to fraction form
81,706,957.52/112,752,207.90 = 44,536,419.99/x - Step 3: Cross multiply
81,706,957.52x = 112,752,207.90 × 44,536,419.99 - Step 4: Simplify right side
81,706,957.52x = 5,021,579,685,834,196 - Step 5: Solve for x
x = 5,021,579,685,834,196/81,706,957.52 - Step 6: Final answer
x = 61,458,409.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.