Finding the Fourth Proportional to 135,416,955.88, 186,874,814.82 and 73,536,784.36
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Solution
The fourth proportional to 135,416,955.88, 186,874,814.82 and 73,536,784.36 is: 101,480,445.12
Step by Step Solution
- Step 1: Write the proportion equation
135,416,955.88 : 186,874,814.82 = 73,536,784.36 : x - Step 2: Convert to fraction form
135,416,955.88/186,874,814.82 = 73,536,784.36/x - Step 3: Cross multiply
135,416,955.88x = 186,874,814.82 × 73,536,784.36 - Step 4: Simplify right side
135,416,955.88x = 13,742,172,959,733,272 - Step 5: Solve for x
x = 13,742,172,959,733,272/135,416,955.88 - Step 6: Final answer
x = 101,480,445.12
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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.