Finding the Fourth Proportional to 99,768,652.80, 149,702,745.60 and 56,670,950.40
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Solution
The fourth proportional to 99,768,652.80, 149,702,745.60 and 56,670,950.40 is: 85,034,694.09
Step by Step Solution
- Step 1: Write the proportion equation
99,768,652.80 : 149,702,745.60 = 56,670,950.40 : x - Step 2: Convert to fraction form
99,768,652.80/149,702,745.60 = 56,670,950.40/x - Step 3: Cross multiply
99,768,652.80x = 149,702,745.60 × 56,670,950.40 - Step 4: Simplify right side
99,768,652.80x = 8,483,796,870,641,418 - Step 5: Solve for x
x = 8,483,796,870,641,418/99,768,652.80 - Step 6: Final answer
x = 85,034,694.09
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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.