Finding the Fourth Proportional to 234,952,681.74, 324,215,719.44 and 135,839,816.31
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Solution
The fourth proportional to 234,952,681.74, 324,215,719.44 and 135,839,816.31 is: 187,447,972.28
Step by Step Solution
- Step 1: Write the proportion equation
234,952,681.74 : 324,215,719.44 = 135,839,816.31 : x - Step 2: Convert to fraction form
234,952,681.74/324,215,719.44 = 135,839,816.31/x - Step 3: Cross multiply
234,952,681.74x = 324,215,719.44 × 135,839,816.31 - Step 4: Simplify right side
234,952,681.74x = 44,041,403,773,544,096 - Step 5: Solve for x
x = 44,041,403,773,544,096/234,952,681.74 - Step 6: Final answer
x = 187,447,972.28
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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.