Finding the Fourth Proportional to 70,977,594.87, 97,949,039.67 and 38,382,546.87
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Solution
The fourth proportional to 70,977,594.87, 97,949,039.67 and 38,382,546.87 is: 52,967,892.37
Step by Step Solution
- Step 1: Write the proportion equation
70,977,594.87 : 97,949,039.67 = 38,382,546.87 : x - Step 2: Convert to fraction form
70,977,594.87/97,949,039.67 = 38,382,546.87/x - Step 3: Cross multiply
70,977,594.87x = 97,949,039.67 × 38,382,546.87 - Step 4: Simplify right side
70,977,594.87x = 3,759,533,606,005,264 - Step 5: Solve for x
x = 3,759,533,606,005,264/70,977,594.87 - Step 6: Final answer
x = 52,967,892.37
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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.