Finding the Fourth Proportional to 295,270,411.80, 442,903,284.90 and 76,920,331.80
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Solution
The fourth proportional to 295,270,411.80, 442,903,284.90 and 76,920,331.80 is: 115,379,889.99
Step by Step Solution
- Step 1: Write the proportion equation
295,270,411.80 : 442,903,284.90 = 76,920,331.80 : x - Step 2: Convert to fraction form
295,270,411.80/442,903,284.90 = 76,920,331.80/x - Step 3: Cross multiply
295,270,411.80x = 442,903,284.90 × 76,920,331.80 - Step 4: Simplify right side
295,270,411.80x = 34,068,267,629,817,928 - Step 5: Solve for x
x = 34,068,267,629,817,928/295,270,411.80 - Step 6: Final answer
x = 115,379,889.99
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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.