Finding the Fourth Proportional to 151,781,792.00, 209,458,940.58 and 82,167,170.63
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Solution
The fourth proportional to 151,781,792.00, 209,458,940.58 and 82,167,170.63 is: 113,390,732.07
Step by Step Solution
- Step 1: Write the proportion equation
151,781,792.00 : 209,458,940.58 = 82,167,170.63 : x - Step 2: Convert to fraction form
151,781,792.00/209,458,940.58 = 82,167,170.63/x - Step 3: Cross multiply
151,781,792.00x = 209,458,940.58 × 82,167,170.63 - Step 4: Simplify right side
151,781,792.00x = 17,210,648,509,568,598 - Step 5: Solve for x
x = 17,210,648,509,568,598/151,781,792.00 - Step 6: Final answer
x = 113,390,732.07
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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.