Finding the Fourth Proportional to 106,784,905.95, 147,368,891.97 and 59,739,172.92
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Solution
The fourth proportional to 106,784,905.95, 147,368,891.97 and 59,739,172.92 is: 82,443,259.58
Step by Step Solution
- Step 1: Write the proportion equation
106,784,905.95 : 147,368,891.97 = 59,739,172.92 : x - Step 2: Convert to fraction form
106,784,905.95/147,368,891.97 = 59,739,172.92/x - Step 3: Cross multiply
106,784,905.95x = 147,368,891.97 × 59,739,172.92 - Step 4: Simplify right side
106,784,905.95x = 8,803,695,720,424,630 - Step 5: Solve for x
x = 8,803,695,720,424,630/106,784,905.95 - Step 6: Final answer
x = 82,443,259.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.