Finding the Fourth Proportional to 134,821,023.14, 186,181,507.87 and 127,476,071.12
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Solution
The fourth proportional to 134,821,023.14, 186,181,507.87 and 127,476,071.12 is: 176,038,473.71
Step by Step Solution
- Step 1: Write the proportion equation
134,821,023.14 : 186,181,507.87 = 127,476,071.12 : x - Step 2: Convert to fraction form
134,821,023.14/186,181,507.87 = 127,476,071.12/x - Step 3: Cross multiply
134,821,023.14x = 186,181,507.87 × 127,476,071.12 - Step 4: Simplify right side
134,821,023.14x = 23,733,687,138,611,724 - Step 5: Solve for x
x = 23,733,687,138,611,724/134,821,023.14 - Step 6: Final answer
x = 176,038,473.71
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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.