Finding the Fourth Proportional to 87,587,534.40, 120,868,643.28 and 48,428,307.96
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Solution
The fourth proportional to 87,587,534.40, 120,868,643.28 and 48,428,307.96 is: 66,829,873.90
Step by Step Solution
- Step 1: Write the proportion equation
87,587,534.40 : 120,868,643.28 = 48,428,307.96 : x - Step 2: Convert to fraction form
87,587,534.40/120,868,643.28 = 48,428,307.96/x - Step 3: Cross multiply
87,587,534.40x = 120,868,643.28 × 48,428,307.96 - Step 4: Simplify right side
87,587,534.40x = 5,853,463,879,471,225 - Step 5: Solve for x
x = 5,853,463,879,471,225/87,587,534.40 - Step 6: Final answer
x = 66,829,873.90
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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.