Finding the Fourth Proportional to 117,882,102, 162,688,303.80 and 68,989,568.88
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Solution
The fourth proportional to 117,882,102, 162,688,303.80 and 68,989,568.88 is: 95,212,044.50
Step by Step Solution
- Step 1: Write the proportion equation
117,882,102 : 162,688,303.80 = 68,989,568.88 : x - Step 2: Convert to fraction form
117,882,102/162,688,303.80 = 68,989,568.88/x - Step 3: Cross multiply
117,882,102x = 162,688,303.80 × 68,989,568.88 - Step 4: Simplify right side
117,882,102x = 11,223,795,940,980,466 - Step 5: Solve for x
x = 11,223,795,940,980,466/117,882,102 - Step 6: Final answer
x = 95,212,044.50
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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.