Finding the Fourth Proportional to 135,005,440.88, 186,307,514.88 and 73,125,779.60
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Solution
The fourth proportional to 135,005,440.88, 186,307,514.88 and 73,125,779.60 is: 100,913,579.35
Step by Step Solution
- Step 1: Write the proportion equation
135,005,440.88 : 186,307,514.88 = 73,125,779.60 : x - Step 2: Convert to fraction form
135,005,440.88/186,307,514.88 = 73,125,779.60/x - Step 3: Cross multiply
135,005,440.88x = 186,307,514.88 × 73,125,779.60 - Step 4: Simplify right side
135,005,440.88x = 13,623,882,270,938,598 - Step 5: Solve for x
x = 13,623,882,270,938,598/135,005,440.88 - Step 6: Final answer
x = 100,913,579.35
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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.