Finding the Fourth Proportional to 117,582,235.25, 162,272,561.49 and 70,541,070.53
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Solution
The fourth proportional to 117,582,235.25, 162,272,561.49 and 70,541,070.53 is: 97,352,122.80
Step by Step Solution
- Step 1: Write the proportion equation
117,582,235.25 : 162,272,561.49 = 70,541,070.53 : x - Step 2: Convert to fraction form
117,582,235.25/162,272,561.49 = 70,541,070.53/x - Step 3: Cross multiply
117,582,235.25x = 162,272,561.49 × 70,541,070.53 - Step 4: Simplify right side
117,582,235.25x = 11,446,880,204,338,490 - Step 5: Solve for x
x = 11,446,880,204,338,490/117,582,235.25 - Step 6: Final answer
x = 97,352,122.80
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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.