Finding the Fourth Proportional to 229,163,859.81, 343,742,387.67 and 56,640,663.81
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Solution
The fourth proportional to 229,163,859.81, 343,742,387.67 and 56,640,663.81 is: 84,960,154.86
Step by Step Solution
- Step 1: Write the proportion equation
229,163,859.81 : 343,742,387.67 = 56,640,663.81 : x - Step 2: Convert to fraction form
229,163,859.81/343,742,387.67 = 56,640,663.81/x - Step 3: Cross multiply
229,163,859.81x = 343,742,387.67 × 56,640,663.81 - Step 4: Simplify right side
229,163,859.81x = 19,469,797,017,263,160 - Step 5: Solve for x
x = 19,469,797,017,263,160/229,163,859.81 - Step 6: Final answer
x = 84,960,154.86
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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.