Finding the Fourth Proportional to 106,608,919.30, 147,106,789.61 and 62,539,838.98
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Solution
The fourth proportional to 106,608,919.30, 147,106,789.61 and 62,539,838.98 is: 86,297,047.14
Step by Step Solution
- Step 1: Write the proportion equation
106,608,919.30 : 147,106,789.61 = 62,539,838.98 : x - Step 2: Convert to fraction form
106,608,919.30/147,106,789.61 = 62,539,838.98/x - Step 3: Cross multiply
106,608,919.30x = 147,106,789.61 × 62,539,838.98 - Step 4: Simplify right side
106,608,919.30x = 9,200,034,934,393,670 - Step 5: Solve for x
x = 9,200,034,934,393,670/106,608,919.30 - Step 6: Final answer
x = 86,297,047.14
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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.