Finding the Fourth Proportional to 71,994,230.08, 99,351,973.32 and 40,638,878.98
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Solution
The fourth proportional to 71,994,230.08, 99,351,973.32 and 40,638,878.98 is: 56,081,616.76
Step by Step Solution
- Step 1: Write the proportion equation
71,994,230.08 : 99,351,973.32 = 40,638,878.98 : x - Step 2: Convert to fraction form
71,994,230.08/99,351,973.32 = 40,638,878.98/x - Step 3: Cross multiply
71,994,230.08x = 99,351,973.32 × 40,638,878.98 - Step 4: Simplify right side
71,994,230.08x = 4,037,552,820,147,463 - Step 5: Solve for x
x = 4,037,552,820,147,463/71,994,230.08 - Step 6: Final answer
x = 56,081,616.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.