Finding the Fourth Proportional to 98,599,688.37, 136,063,482.26 and 53,945,441.37
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Solution
The fourth proportional to 98,599,688.37, 136,063,482.26 and 53,945,441.37 is: 74,442,472.65
Step by Step Solution
- Step 1: Write the proportion equation
98,599,688.37 : 136,063,482.26 = 53,945,441.37 : x - Step 2: Convert to fraction form
98,599,688.37/136,063,482.26 = 53,945,441.37/x - Step 3: Cross multiply
98,599,688.37x = 136,063,482.26 × 53,945,441.37 - Step 4: Simplify right side
98,599,688.37x = 7,340,004,604,585,137 - Step 5: Solve for x
x = 7,340,004,604,585,137/98,599,688.37 - Step 6: Final answer
x = 74,442,472.65
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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.