Finding the Fourth Proportional to 86,252,403.36, 129,303,022.32 and 32,437,506.72
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Solution
The fourth proportional to 86,252,403.36, 129,303,022.32 and 32,437,506.72 is: 48,627,835.19
Step by Step Solution
- Step 1: Write the proportion equation
86,252,403.36 : 129,303,022.32 = 32,437,506.72 : x - Step 2: Convert to fraction form
86,252,403.36/129,303,022.32 = 32,437,506.72/x - Step 3: Cross multiply
86,252,403.36x = 129,303,022.32 × 32,437,506.72 - Step 4: Simplify right side
86,252,403.36x = 4,194,267,655,421,309.50 - Step 5: Solve for x
x = 4,194,267,655,421,309.50/86,252,403.36 - Step 6: Final answer
x = 48,627,835.19
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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.