Finding the Fourth Proportional to 89,042,703.12, 122,878,942.17 and 49,352,793.54
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Solution
The fourth proportional to 89,042,703.12, 122,878,942.17 and 49,352,793.54 is: 68,106,861.66
Step by Step Solution
- Step 1: Write the proportion equation
89,042,703.12 : 122,878,942.17 = 49,352,793.54 : x - Step 2: Convert to fraction form
89,042,703.12/122,878,942.17 = 49,352,793.54/x - Step 3: Cross multiply
89,042,703.12x = 122,878,942.17 × 49,352,793.54 - Step 4: Simplify right side
89,042,703.12x = 6,064,419,063,329,610 - Step 5: Solve for x
x = 6,064,419,063,329,610/89,042,703.12 - Step 6: Final answer
x = 68,106,861.66
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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.