Finding the Fourth Proportional to 93,414,251.97, 128,888,457.53 and 81,004,514.13
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Solution
The fourth proportional to 93,414,251.97, 128,888,457.53 and 81,004,514.13 is: 111,766,102.69
Step by Step Solution
- Step 1: Write the proportion equation
93,414,251.97 : 128,888,457.53 = 81,004,514.13 : x - Step 2: Convert to fraction form
93,414,251.97/128,888,457.53 = 81,004,514.13/x - Step 3: Cross multiply
93,414,251.97x = 128,888,457.53 × 81,004,514.13 - Step 4: Simplify right side
93,414,251.97x = 10,440,546,878,777,768 - Step 5: Solve for x
x = 10,440,546,878,777,768/93,414,251.97 - Step 6: Final answer
x = 111,766,102.69
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1.5x scale
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.