Finding the Fourth Proportional to 93,479,922.24, 128,999,911.68 and 52,227,124.80
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Solution
The fourth proportional to 93,479,922.24, 128,999,911.68 and 52,227,124.80 is: 72,072,101.96
Step by Step Solution
- Step 1: Write the proportion equation
93,479,922.24 : 128,999,911.68 = 52,227,124.80 : x - Step 2: Convert to fraction form
93,479,922.24/128,999,911.68 = 52,227,124.80/x - Step 3: Cross multiply
93,479,922.24x = 128,999,911.68 × 52,227,124.80 - Step 4: Simplify right side
93,479,922.24x = 6,737,294,486,500,338 - Step 5: Solve for x
x = 6,737,294,486,500,338/93,479,922.24 - Step 6: Final answer
x = 72,072,101.96
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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.