Finding the Fourth Proportional to 92,144,321.49, 138,235,893.93 and 29,890,774.95
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Solution
The fourth proportional to 92,144,321.49, 138,235,893.93 and 29,890,774.95 is: 44,842,459.40
Step by Step Solution
- Step 1: Write the proportion equation
92,144,321.49 : 138,235,893.93 = 29,890,774.95 : x - Step 2: Convert to fraction form
92,144,321.49/138,235,893.93 = 29,890,774.95/x - Step 3: Cross multiply
92,144,321.49x = 138,235,893.93 × 29,890,774.95 - Step 4: Simplify right side
92,144,321.49x = 4,131,977,995,473,701 - Step 5: Solve for x
x = 4,131,977,995,473,701/92,144,321.49 - Step 6: Final answer
x = 44,842,459.40
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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.