Finding the Fourth Proportional to 328,829,932.18, 493,185,295.67 and 132,085,417.91
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Solution
The fourth proportional to 328,829,932.18, 493,185,295.67 and 132,085,417.91 is: 198,104,185.50
Step by Step Solution
- Step 1: Write the proportion equation
328,829,932.18 : 493,185,295.67 = 132,085,417.91 : x - Step 2: Convert to fraction form
328,829,932.18/493,185,295.67 = 132,085,417.91/x - Step 3: Cross multiply
328,829,932.18x = 493,185,295.67 × 132,085,417.91 - Step 4: Simplify right side
328,829,932.18x = 65,142,585,883,503,152 - Step 5: Solve for x
x = 65,142,585,883,503,152/328,829,932.18 - Step 6: Final answer
x = 198,104,185.50
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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.