Finding the Fourth Proportional to 285,877,039.56, 428,606,501.58 and 91,677,913.08
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Solution
The fourth proportional to 285,877,039.56, 428,606,501.58 and 91,677,913.08 is: 137,449,826.88
Step by Step Solution
- Step 1: Write the proportion equation
285,877,039.56 : 428,606,501.58 = 91,677,913.08 : x - Step 2: Convert to fraction form
285,877,039.56/428,606,501.58 = 91,677,913.08/x - Step 3: Cross multiply
285,877,039.56x = 428,606,501.58 × 91,677,913.08 - Step 4: Simplify right side
285,877,039.56x = 39,293,749,597,374,120 - Step 5: Solve for x
x = 39,293,749,597,374,120/285,877,039.56 - Step 6: Final answer
x = 137,449,826.88
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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.