Finding the Fourth Proportional to 158,936,790.96, 219,283,476.84 and 92,809,587.60
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Solution
The fourth proportional to 158,936,790.96, 219,283,476.84 and 92,809,587.60 is: 128,048,445.74
Step by Step Solution
- Step 1: Write the proportion equation
158,936,790.96 : 219,283,476.84 = 92,809,587.60 : x - Step 2: Convert to fraction form
158,936,790.96/219,283,476.84 = 92,809,587.60/x - Step 3: Cross multiply
158,936,790.96x = 219,283,476.84 × 92,809,587.60 - Step 4: Simplify right side
158,936,790.96x = 20,351,609,053,014,552 - Step 5: Solve for x
x = 20,351,609,053,014,552/158,936,790.96 - Step 6: Final answer
x = 128,048,445.74
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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.