Finding the Fourth Proportional to 85,062,302.31, 127,603,321.11 and 29,712,998.99
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Solution
The fourth proportional to 85,062,302.31, 127,603,321.11 and 29,712,998.99 is: 44,572,945.33
Step by Step Solution
- Step 1: Write the proportion equation
85,062,302.31 : 127,603,321.11 = 29,712,998.99 : x - Step 2: Convert to fraction form
85,062,302.31/127,603,321.11 = 29,712,998.99/x - Step 3: Cross multiply
85,062,302.31x = 127,603,321.11 × 29,712,998.99 - Step 4: Simplify right side
85,062,302.31x = 3,791,477,350,624,059 - Step 5: Solve for x
x = 3,791,477,350,624,059/85,062,302.31 - Step 6: Final answer
x = 44,572,945.33
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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.