Finding the Fourth Proportional to 86,736,530.70, 119,695,282.92 and 49,566,387.96
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Solution
The fourth proportional to 86,736,530.70, 119,695,282.92 and 49,566,387.96 is: 68,400,969.95
Step by Step Solution
- Step 1: Write the proportion equation
86,736,530.70 : 119,695,282.92 = 49,566,387.96 : x - Step 2: Convert to fraction form
86,736,530.70/119,695,282.92 = 49,566,387.96/x - Step 3: Cross multiply
86,736,530.70x = 119,695,282.92 × 49,566,387.96 - Step 4: Simplify right side
86,736,530.70x = 5,932,862,830,194,682 - Step 5: Solve for x
x = 5,932,862,830,194,682/86,736,530.70 - Step 6: Final answer
x = 68,400,969.95
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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.