Finding the Fourth Proportional to 150,846,823.76, 208,161,904.74 and 88,128,737.60
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Solution
The fourth proportional to 150,846,823.76, 208,161,904.74 and 88,128,737.60 is: 121,613,736.53
Step by Step Solution
- Step 1: Write the proportion equation
150,846,823.76 : 208,161,904.74 = 88,128,737.60 : x - Step 2: Convert to fraction form
150,846,823.76/208,161,904.74 = 88,128,737.60/x - Step 3: Cross multiply
150,846,823.76x = 208,161,904.74 × 88,128,737.60 - Step 4: Simplify right side
150,846,823.76x = 18,345,045,881,147,656 - Step 5: Solve for x
x = 18,345,045,881,147,656/150,846,823.76 - Step 6: Final answer
x = 121,613,736.53
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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.