Finding the Fourth Proportional to 239,534,560.40, 330,559,670.40 and 132,247,338.80
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Solution
The fourth proportional to 239,534,560.40, 330,559,670.40 and 132,247,338.80 is: 182,502,419.07
Step by Step Solution
- Step 1: Write the proportion equation
239,534,560.40 : 330,559,670.40 = 132,247,338.80 : x - Step 2: Convert to fraction form
239,534,560.40/330,559,670.40 = 132,247,338.80/x - Step 3: Cross multiply
239,534,560.40x = 330,559,670.40 × 132,247,338.80 - Step 4: Simplify right side
239,534,560.40x = 43,715,636,725,005,128 - Step 5: Solve for x
x = 43,715,636,725,005,128/239,534,560.40 - Step 6: Final answer
x = 182,502,419.07
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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.