Finding the Fourth Proportional to 99,387,984.29, 149,098,138.83 and 29,365,318.13
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Solution
The fourth proportional to 99,387,984.29, 149,098,138.83 and 29,365,318.13 is: 44,052,752.55
Step by Step Solution
- Step 1: Write the proportion equation
99,387,984.29 : 149,098,138.83 = 29,365,318.13 : x - Step 2: Convert to fraction form
99,387,984.29/149,098,138.83 = 29,365,318.13/x - Step 3: Cross multiply
99,387,984.29x = 149,098,138.83 × 29,365,318.13 - Step 4: Simplify right side
99,387,984.29x = 4,378,314,278,588,365.50 - Step 5: Solve for x
x = 4,378,314,278,588,365.50/99,387,984.29 - Step 6: Final answer
x = 44,052,752.55
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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.