Finding the Fourth Proportional to 183,509,663.88, 253,245,406.26 and 99,878,329.92
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Solution
The fourth proportional to 183,509,663.88, 253,245,406.26 and 99,878,329.92 is: 137,833,221.98
Step by Step Solution
- Step 1: Write the proportion equation
183,509,663.88 : 253,245,406.26 = 99,878,329.92 : x - Step 2: Convert to fraction form
183,509,663.88/253,245,406.26 = 99,878,329.92/x - Step 3: Cross multiply
183,509,663.88x = 253,245,406.26 × 99,878,329.92 - Step 4: Simplify right side
183,509,663.88x = 25,293,728,237,160,712 - Step 5: Solve for x
x = 25,293,728,237,160,712/183,509,663.88 - Step 6: Final answer
x = 137,833,221.98
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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.