Finding the Fourth Proportional to 319,807,177.48, 441,334,052.58 and 173,129,461.48
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Solution
The fourth proportional to 319,807,177.48, 441,334,052.58 and 173,129,461.48 is: 238,918,736.78
Step by Step Solution
- Step 1: Write the proportion equation
319,807,177.48 : 441,334,052.58 = 173,129,461.48 : x - Step 2: Convert to fraction form
319,807,177.48/441,334,052.58 = 173,129,461.48/x - Step 3: Cross multiply
319,807,177.48x = 441,334,052.58 × 173,129,461.48 - Step 4: Simplify right side
319,807,177.48x = 76,407,926,855,961,392 - Step 5: Solve for x
x = 76,407,926,855,961,392/319,807,177.48 - Step 6: Final answer
x = 238,918,736.78
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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.