Finding the Fourth Proportional to 153,280,344.38, 229,918,351.36 and 71,353,399.82
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Solution
The fourth proportional to 153,280,344.38, 229,918,351.36 and 71,353,399.82 is: 107,029,091.80
Step by Step Solution
- Step 1: Write the proportion equation
153,280,344.38 : 229,918,351.36 = 71,353,399.82 : x - Step 2: Convert to fraction form
153,280,344.38/229,918,351.36 = 71,353,399.82/x - Step 3: Cross multiply
153,280,344.38x = 229,918,351.36 × 71,353,399.82 - Step 4: Simplify right side
153,280,344.38x = 16,405,456,049,038,960 - Step 5: Solve for x
x = 16,405,456,049,038,960/153,280,344.38 - Step 6: Final answer
x = 107,029,091.80
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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.