Finding the Fourth Proportional to 65,288,169.20, 97,820,279.40 and 31,135,977.20
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Solution
The fourth proportional to 65,288,169.20, 97,820,279.40 and 31,135,977.20 is: 46,650,565.12
Step by Step Solution
- Step 1: Write the proportion equation
65,288,169.20 : 97,820,279.40 = 31,135,977.20 : x - Step 2: Convert to fraction form
65,288,169.20/97,820,279.40 = 31,135,977.20/x - Step 3: Cross multiply
65,288,169.20x = 97,820,279.40 × 31,135,977.20 - Step 4: Simplify right side
65,288,169.20x = 3,045,729,989,096,030 - Step 5: Solve for x
x = 3,045,729,989,096,030/65,288,169.20 - Step 6: Final answer
x = 46,650,565.12
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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.