Finding the Fourth Proportional to 99,645,462.45, 149,468,193.68 and 27,841,878.45
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Solution
The fourth proportional to 99,645,462.45, 149,468,193.68 and 27,841,878.45 is: 41,762,817.68
Step by Step Solution
- Step 1: Write the proportion equation
99,645,462.45 : 149,468,193.68 = 27,841,878.45 : x - Step 2: Convert to fraction form
99,645,462.45/149,468,193.68 = 27,841,878.45/x - Step 3: Cross multiply
99,645,462.45x = 149,468,193.68 × 27,841,878.45 - Step 4: Simplify right side
99,645,462.45x = 4,161,475,280,440,409 - Step 5: Solve for x
x = 4,161,475,280,440,409/99,645,462.45 - Step 6: Final answer
x = 41,762,817.68
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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.