Finding the Fourth Proportional to 81,154,552.28, 121,444,473.36 and 50,463,584.24
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Solution
The fourth proportional to 81,154,552.28, 121,444,473.36 and 50,463,584.24 is: 75,516,693.02
Step by Step Solution
- Step 1: Write the proportion equation
81,154,552.28 : 121,444,473.36 = 50,463,584.24 : x - Step 2: Convert to fraction form
81,154,552.28/121,444,473.36 = 50,463,584.24/x - Step 3: Cross multiply
81,154,552.28x = 121,444,473.36 × 50,463,584.24 - Step 4: Simplify right side
81,154,552.28x = 6,128,523,411,884,796 - Step 5: Solve for x
x = 6,128,523,411,884,796/81,154,552.28 - Step 6: Final answer
x = 75,516,693.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.