Finding the Fourth Proportional to 98,286,574.14, 135,635,313.15 and 54,233,539.74
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Solution
The fourth proportional to 98,286,574.14, 135,635,313.15 and 54,233,539.74 is: 74,842,197.02
Step by Step Solution
- Step 1: Write the proportion equation
98,286,574.14 : 135,635,313.15 = 54,233,539.74 : x - Step 2: Convert to fraction form
98,286,574.14/135,635,313.15 = 54,233,539.74/x - Step 3: Cross multiply
98,286,574.14x = 135,635,313.15 × 54,233,539.74 - Step 4: Simplify right side
98,286,574.14x = 7,355,983,145,867,870 - Step 5: Solve for x
x = 7,355,983,145,867,870/98,286,574.14 - Step 6: Final answer
x = 74,842,197.02
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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.