Finding the Fourth Proportional to 118,569,092.70, 177,853,639.05 and 98,413,700.70
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Solution
The fourth proportional to 118,569,092.70, 177,853,639.05 and 98,413,700.70 is: 147,620,551.05
Step by Step Solution
- Step 1: Write the proportion equation
118,569,092.70 : 177,853,639.05 = 98,413,700.70 : x - Step 2: Convert to fraction form
118,569,092.70/177,853,639.05 = 98,413,700.70/x - Step 3: Cross multiply
118,569,092.70x = 177,853,639.05 × 98,413,700.70 - Step 4: Simplify right side
118,569,092.70x = 17,503,234,801,872,534 - Step 5: Solve for x
x = 17,503,234,801,872,534/118,569,092.70 - Step 6: Final answer
x = 147,620,551.05
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1.5x scale
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.