Finding the Fourth Proportional to 100,903,910.70, 151,355,866.05 and 88,149,326.70
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Solution
The fourth proportional to 100,903,910.70, 151,355,866.05 and 88,149,326.70 is: 132,223,990.05
Step by Step Solution
- Step 1: Write the proportion equation
100,903,910.70 : 151,355,866.05 = 88,149,326.70 : x - Step 2: Convert to fraction form
100,903,910.70/151,355,866.05 = 88,149,326.70/x - Step 3: Cross multiply
100,903,910.70x = 151,355,866.05 × 88,149,326.70 - Step 4: Simplify right side
100,903,910.70x = 13,341,917,684,402,890 - Step 5: Solve for x
x = 13,341,917,684,402,890/100,903,910.70 - Step 6: Final answer
x = 132,223,990.05
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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.