Finding the Fourth Proportional to 81,639,640.72, 122,466,515.10 and 22,552,000.48
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Solution
The fourth proportional to 81,639,640.72, 122,466,515.10 and 22,552,000.48 is: 33,829,949.31
Step by Step Solution
- Step 1: Write the proportion equation
81,639,640.72 : 122,466,515.10 = 22,552,000.48 : x - Step 2: Convert to fraction form
81,639,640.72/122,466,515.10 = 22,552,000.48/x - Step 3: Cross multiply
81,639,640.72x = 122,466,515.10 × 22,552,000.48 - Step 4: Simplify right side
81,639,640.72x = 2,761,864,907,319,127 - Step 5: Solve for x
x = 2,761,864,907,319,127/81,639,640.72 - Step 6: Final answer
x = 33,829,949.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.