Finding the Fourth Proportional to 151,683,027.47, 209,263,020.29 and 88,092,541.62
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Solution
The fourth proportional to 151,683,027.47, 209,263,020.29 and 88,092,541.62 is: 121,533,118.33
Step by Step Solution
- Step 1: Write the proportion equation
151,683,027.47 : 209,263,020.29 = 88,092,541.62 : x - Step 2: Convert to fraction form
151,683,027.47/209,263,020.29 = 88,092,541.62/x - Step 3: Cross multiply
151,683,027.47x = 209,263,020.29 × 88,092,541.62 - Step 4: Simplify right side
151,683,027.47x = 18,434,511,325,312,408 - Step 5: Solve for x
x = 18,434,511,325,312,408/151,683,027.47 - Step 6: Final answer
x = 121,533,118.33
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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.