Finding the Fourth Proportional to 176,813,730.17, 242,235,986.84 and 170,186,617.16
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Solution
The fourth proportional to 176,813,730.17, 242,235,986.84 and 170,186,617.16 is: 233,156,797.92
Step by Step Solution
- Step 1: Write the proportion equation
176,813,730.17 : 242,235,986.84 = 170,186,617.16 : x - Step 2: Convert to fraction form
176,813,730.17/242,235,986.84 = 170,186,617.16/x - Step 3: Cross multiply
176,813,730.17x = 242,235,986.84 × 170,186,617.16 - Step 4: Simplify right side
176,813,730.17x = 41,225,323,154,713,880 - Step 5: Solve for x
x = 41,225,323,154,713,880/176,813,730.17 - Step 6: Final answer
x = 233,156,797.92
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.