Finding the Fourth Proportional to 71,305,538.82, 98,482,685.85 and 48,060,598.02
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Solution
The fourth proportional to 71,305,538.82, 98,482,685.85 and 48,060,598.02 is: 66,378,248.52
Step by Step Solution
- Step 1: Write the proportion equation
71,305,538.82 : 98,482,685.85 = 48,060,598.02 : x - Step 2: Convert to fraction form
71,305,538.82/98,482,685.85 = 48,060,598.02/x - Step 3: Cross multiply
71,305,538.82x = 98,482,685.85 × 48,060,598.02 - Step 4: Simplify right side
71,305,538.82x = 4,733,136,776,566,792 - Step 5: Solve for x
x = 4,733,136,776,566,792/71,305,538.82 - Step 6: Final answer
x = 66,378,248.52
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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.