Finding the Fourth Proportional to 69,721,093.58, 104,594,409.29 and 28,758,186.99
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Solution
The fourth proportional to 69,721,093.58, 104,594,409.29 and 28,758,186.99 is: 43,142,547.33
Step by Step Solution
- Step 1: Write the proportion equation
69,721,093.58 : 104,594,409.29 = 28,758,186.99 : x - Step 2: Convert to fraction form
69,721,093.58/104,594,409.29 = 28,758,186.99/x - Step 3: Cross multiply
69,721,093.58x = 104,594,409.29 × 28,758,186.99 - Step 4: Simplify right side
69,721,093.58x = 3,007,945,579,947,441 - Step 5: Solve for x
x = 3,007,945,579,947,441/69,721,093.58 - Step 6: Final answer
x = 43,142,547.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.