Finding the Fourth Proportional to 74,216,247.84, 102,414,952.13 and 41,176,145.34
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Solution
The fourth proportional to 74,216,247.84, 102,414,952.13 and 41,176,145.34 is: 56,821,155.43
Step by Step Solution
- Step 1: Write the proportion equation
74,216,247.84 : 102,414,952.13 = 41,176,145.34 : x - Step 2: Convert to fraction form
74,216,247.84/102,414,952.13 = 41,176,145.34/x - Step 3: Cross multiply
74,216,247.84x = 102,414,952.13 × 41,176,145.34 - Step 4: Simplify right side
74,216,247.84x = 4,217,052,953,688,142 - Step 5: Solve for x
x = 4,217,052,953,688,142/74,216,247.84 - Step 6: Final answer
x = 56,821,155.43
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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.