Finding the Fourth Proportional to 91,010,528,785.84, 136,366,715,973.84 and 48,470,260,415.44
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Solution
The fourth proportional to 91,010,528,785.84, 136,366,715,973.84 and 48,470,260,415.44 is: 72,625,995,293.40
Step by Step Solution
- Step 1: Write the proportion equation
91,010,528,785.84 : 136,366,715,973.84 = 48,470,260,415.44 : x - Step 2: Convert to fraction form
91,010,528,785.84/136,366,715,973.84 = 48,470,260,415.44/x - Step 3: Cross multiply
91,010,528,785.84x = 136,366,715,973.84 × 48,470,260,415.44 - Step 4: Simplify right side
91,010,528,785.84x = 6,609,730,235,250,366,218,240 - Step 5: Solve for x
x = 6,609,730,235,250,366,218,240/91,010,528,785.84 - Step 6: Final answer
x = 72,625,995,293.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.