Finding the Fourth Proportional to 162,219,547.53, 242,925,758.28 and 113,469,135.99
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Solution
The fourth proportional to 162,219,547.53, 242,925,758.28 and 113,469,135.99 is: 169,921,420.21
Step by Step Solution
- Step 1: Write the proportion equation
162,219,547.53 : 242,925,758.28 = 113,469,135.99 : x - Step 2: Convert to fraction form
162,219,547.53/242,925,758.28 = 113,469,135.99/x - Step 3: Cross multiply
162,219,547.53x = 242,925,758.28 × 113,469,135.99 - Step 4: Simplify right side
162,219,547.53x = 27,564,575,901,179,844 - Step 5: Solve for x
x = 27,564,575,901,179,844/162,219,547.53 - Step 6: Final answer
x = 169,921,420.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.