Finding the Fourth Proportional to 99,642,212.10, 149,463,318.15 and 61,179,005.70
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Solution
The fourth proportional to 99,642,212.10, 149,463,318.15 and 61,179,005.70 is: 91,768,508.55
Step by Step Solution
- Step 1: Write the proportion equation
99,642,212.10 : 149,463,318.15 = 61,179,005.70 : x - Step 2: Convert to fraction form
99,642,212.10/149,463,318.15 = 61,179,005.70/x - Step 3: Cross multiply
99,642,212.10x = 149,463,318.15 × 61,179,005.70 - Step 4: Simplify right side
99,642,212.10x = 9,144,017,193,039,764 - Step 5: Solve for x
x = 9,144,017,193,039,764/99,642,212.10 - Step 6: Final answer
x = 91,768,508.55
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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.