Finding the Fourth Proportional to 67,122,608.58, 100,699,061.76 and 20,440,270.08
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Solution
The fourth proportional to 67,122,608.58, 100,699,061.76 and 20,440,270.08 is: 30,665,018.28
Step by Step Solution
- Step 1: Write the proportion equation
67,122,608.58 : 100,699,061.76 = 20,440,270.08 : x - Step 2: Convert to fraction form
67,122,608.58/100,699,061.76 = 20,440,270.08/x - Step 3: Cross multiply
67,122,608.58x = 100,699,061.76 × 20,440,270.08 - Step 4: Simplify right side
67,122,608.58x = 2,058,316,019,177,000 - Step 5: Solve for x
x = 2,058,316,019,177,000/67,122,608.58 - Step 6: Final answer
x = 30,665,018.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.