Finding the Fourth Proportional to 208,577,035.04, 287,836,623.63 and 113,207,577.98
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Solution
The fourth proportional to 208,577,035.04, 287,836,623.63 and 113,207,577.98 is: 156,226,628.73
Step by Step Solution
- Step 1: Write the proportion equation
208,577,035.04 : 287,836,623.63 = 113,207,577.98 : x - Step 2: Convert to fraction form
208,577,035.04/287,836,623.63 = 113,207,577.98/x - Step 3: Cross multiply
208,577,035.04x = 287,836,623.63 × 113,207,577.98 - Step 4: Simplify right side
208,577,035.04x = 32,585,287,013,653,952 - Step 5: Solve for x
x = 32,585,287,013,653,952/208,577,035.04 - Step 6: Final answer
x = 156,226,628.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.