Finding the Fourth Proportional to 159,517,921.60, 239,276,882.40 and 136,559,670.40
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Solution
The fourth proportional to 159,517,921.60, 239,276,882.40 and 136,559,670.40 is: 204,839,505.60
Step by Step Solution
- Step 1: Write the proportion equation
159,517,921.60 : 239,276,882.40 = 136,559,670.40 : x - Step 2: Convert to fraction form
159,517,921.60/239,276,882.40 = 136,559,670.40/x - Step 3: Cross multiply
159,517,921.60x = 239,276,882.40 × 136,559,670.40 - Step 4: Simplify right side
159,517,921.60x = 32,675,572,194,883,564 - Step 5: Solve for x
x = 32,675,572,194,883,564/159,517,921.60 - Step 6: Final answer
x = 204,839,505.60
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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.