Finding the Fourth Proportional to 92,128,503.36, 138,177,734.10 and 30,718,170.75
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Solution
The fourth proportional to 92,128,503.36, 138,177,734.10 and 30,718,170.75 is: 46,072,247.74
Step by Step Solution
- Step 1: Write the proportion equation
92,128,503.36 : 138,177,734.10 = 30,718,170.75 : x - Step 2: Convert to fraction form
92,128,503.36/138,177,734.10 = 30,718,170.75/x - Step 3: Cross multiply
92,128,503.36x = 138,177,734.10 × 30,718,170.75 - Step 4: Simplify right side
92,128,503.36x = 4,244,567,230,119,397 - Step 5: Solve for x
x = 4,244,567,230,119,397/92,128,503.36 - Step 6: Final answer
x = 46,072,247.74
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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.