Finding the Fourth Proportional to 151,683,030.12, 209,263,023.95 and 88,092,544.30
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Solution
The fourth proportional to 151,683,030.12, 209,263,023.95 and 88,092,544.30 is: 121,533,122.02
Step by Step Solution
- Step 1: Write the proportion equation
151,683,030.12 : 209,263,023.95 = 88,092,544.30 : x - Step 2: Convert to fraction form
151,683,030.12/209,263,023.95 = 88,092,544.30/x - Step 3: Cross multiply
151,683,030.12x = 209,263,023.95 × 88,092,544.30 - Step 4: Simplify right side
151,683,030.12x = 18,434,512,207,540,792 - Step 5: Solve for x
x = 18,434,512,207,540,792/151,683,030.12 - Step 6: Final answer
x = 121,533,122.02
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1.5x scale
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.