Finding the Fourth Proportional to 81,593,722.20, 122,390,583.30 and 24,085,901.10
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Solution
The fourth proportional to 81,593,722.20, 122,390,583.30 and 24,085,901.10 is: 36,128,851.65
Step by Step Solution
- Step 1: Write the proportion equation
81,593,722.20 : 122,390,583.30 = 24,085,901.10 : x - Step 2: Convert to fraction form
81,593,722.20/122,390,583.30 = 24,085,901.10/x - Step 3: Cross multiply
81,593,722.20x = 122,390,583.30 × 24,085,901.10 - Step 4: Simplify right side
81,593,722.20x = 2,947,887,484,935,111.50 - Step 5: Solve for x
x = 2,947,887,484,935,111.50/81,593,722.20 - Step 6: Final answer
x = 36,128,851.65
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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.