Finding the Fourth Proportional to 84,369,713.50, 116,442,628.95 and 53,432,759.26
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Solution
The fourth proportional to 84,369,713.50, 116,442,628.95 and 53,432,759.26 is: 73,745,076.31
Step by Step Solution
- Step 1: Write the proportion equation
84,369,713.50 : 116,442,628.95 = 53,432,759.26 : x - Step 2: Convert to fraction form
84,369,713.50/116,442,628.95 = 53,432,759.26/x - Step 3: Cross multiply
84,369,713.50x = 116,442,628.95 × 53,432,759.26 - Step 4: Simplify right side
84,369,713.50x = 6,221,850,960,286,856 - Step 5: Solve for x
x = 6,221,850,960,286,856/84,369,713.50 - Step 6: Final answer
x = 73,745,076.31
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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.