Finding the Fourth Proportional to 84,105,026.80, 126,213,964.80 and 29,517,506.80
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Solution
The fourth proportional to 84,105,026.80, 126,213,964.80 and 29,517,506.80 is: 44,296,062.98
Step by Step Solution
- Step 1: Write the proportion equation
84,105,026.80 : 126,213,964.80 = 29,517,506.80 : x - Step 2: Convert to fraction form
84,105,026.80/126,213,964.80 = 29,517,506.80/x - Step 3: Cross multiply
84,105,026.80x = 126,213,964.80 × 29,517,506.80 - Step 4: Simplify right side
84,105,026.80x = 3,725,521,564,238,960.50 - Step 5: Solve for x
x = 3,725,521,564,238,960.50/84,105,026.80 - Step 6: Final answer
x = 44,296,062.98
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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.