Finding the Fourth Proportional to 79,415,409.27, 109,576,264.95 and 46,360,657.65
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Solution
The fourth proportional to 79,415,409.27, 109,576,264.95 and 46,360,657.65 is: 63,967,783.49
Step by Step Solution
- Step 1: Write the proportion equation
79,415,409.27 : 109,576,264.95 = 46,360,657.65 : x - Step 2: Convert to fraction form
79,415,409.27/109,576,264.95 = 46,360,657.65/x - Step 3: Cross multiply
79,415,409.27x = 109,576,264.95 × 46,360,657.65 - Step 4: Simplify right side
79,415,409.27x = 5,080,027,705,912,644 - Step 5: Solve for x
x = 5,080,027,705,912,644/79,415,409.27 - Step 6: Final answer
x = 63,967,783.49
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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.