Finding the Fourth Proportional to 129,025,272.30, 193,537,908.45 and 57,361,656.30
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Solution
The fourth proportional to 129,025,272.30, 193,537,908.45 and 57,361,656.30 is: 86,042,484.45
Step by Step Solution
- Step 1: Write the proportion equation
129,025,272.30 : 193,537,908.45 = 57,361,656.30 : x - Step 2: Convert to fraction form
129,025,272.30/193,537,908.45 = 57,361,656.30/x - Step 3: Cross multiply
129,025,272.30x = 193,537,908.45 × 57,361,656.30 - Step 4: Simplify right side
129,025,272.30x = 11,101,654,985,529,764 - Step 5: Solve for x
x = 11,101,654,985,529,764/129,025,272.30 - Step 6: Final answer
x = 86,042,484.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.