Finding the Fourth Proportional to 99,648,134.48, 149,538,916.16 and 41,355,861.09
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Solution
The fourth proportional to 99,648,134.48, 149,538,916.16 and 41,355,861.09 is: 62,061,479.38
Step by Step Solution
- Step 1: Write the proportion equation
99,648,134.48 : 149,538,916.16 = 41,355,861.09 : x - Step 2: Convert to fraction form
99,648,134.48/149,538,916.16 = 41,355,861.09/x - Step 3: Cross multiply
99,648,134.48x = 149,538,916.16 × 41,355,861.09 - Step 4: Simplify right side
99,648,134.48x = 6,184,310,643,648,939 - Step 5: Solve for x
x = 6,184,310,643,648,939/99,648,134.48 - Step 6: Final answer
x = 62,061,479.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.