Finding the Fourth Proportional to 125,236,068.35, 187,906,204.76 and 55,170,437.99
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Solution
The fourth proportional to 125,236,068.35, 187,906,204.76 and 55,170,437.99 is: 82,778,609.66
Step by Step Solution
- Step 1: Write the proportion equation
125,236,068.35 : 187,906,204.76 = 55,170,437.99 : x - Step 2: Convert to fraction form
125,236,068.35/187,906,204.76 = 55,170,437.99/x - Step 3: Cross multiply
125,236,068.35x = 187,906,204.76 × 55,170,437.99 - Step 4: Simplify right side
125,236,068.35x = 10,366,867,616,432,440 - Step 5: Solve for x
x = 10,366,867,616,432,440/125,236,068.35 - Step 6: Final answer
x = 82,778,609.66
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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.