Finding the Fourth Proportional to 86,307,542.58, 119,106,164.52 and 47,151,855.42
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Solution
The fourth proportional to 86,307,542.58, 119,106,164.52 and 47,151,855.42 is: 65,070,519.69
Step by Step Solution
- Step 1: Write the proportion equation
86,307,542.58 : 119,106,164.52 = 47,151,855.42 : x - Step 2: Convert to fraction form
86,307,542.58/119,106,164.52 = 47,151,855.42/x - Step 3: Cross multiply
86,307,542.58x = 119,106,164.52 × 47,151,855.42 - Step 4: Simplify right side
86,307,542.58x = 5,616,076,649,077,774 - Step 5: Solve for x
x = 5,616,076,649,077,774/86,307,542.58 - Step 6: Final answer
x = 65,070,519.69
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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.