Finding the Fourth Proportional to 76,700,331.14, 114,630,226.36 and 55,994,372.94
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Solution
The fourth proportional to 76,700,331.14, 114,630,226.36 and 55,994,372.94 is: 83,684,744.90
Step by Step Solution
- Step 1: Write the proportion equation
76,700,331.14 : 114,630,226.36 = 55,994,372.94 : x - Step 2: Convert to fraction form
76,700,331.14/114,630,226.36 = 55,994,372.94/x - Step 3: Cross multiply
76,700,331.14x = 114,630,226.36 × 55,994,372.94 - Step 4: Simplify right side
76,700,331.14x = 6,418,647,644,638,588 - Step 5: Solve for x
x = 6,418,647,644,638,588/76,700,331.14 - Step 6: Final answer
x = 83,684,744.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.