Finding the Fourth Proportional to 128,130,341.04, 192,228,272.88 and 37,253,930.04
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Solution
The fourth proportional to 128,130,341.04, 192,228,272.88 and 37,253,930.04 is: 55,890,420.42
Step by Step Solution
- Step 1: Write the proportion equation
128,130,341.04 : 192,228,272.88 = 37,253,930.04 : x - Step 2: Convert to fraction form
128,130,341.04/192,228,272.88 = 37,253,930.04/x - Step 3: Cross multiply
128,130,341.04x = 192,228,272.88 × 37,253,930.04 - Step 4: Simplify right side
128,130,341.04x = 7,161,258,629,581,549 - Step 5: Solve for x
x = 7,161,258,629,581,549/128,130,341.04 - Step 6: Final answer
x = 55,890,420.42
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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.