Finding the Fourth Proportional to 285,328,528.08, 427,857,874.30 and 110,533,431.31
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Solution
The fourth proportional to 285,328,528.08, 427,857,874.30 and 110,533,431.31 is: 165,747,881.14
Step by Step Solution
- Step 1: Write the proportion equation
285,328,528.08 : 427,857,874.30 = 110,533,431.31 : x - Step 2: Convert to fraction form
285,328,528.08/427,857,874.30 = 110,533,431.31/x - Step 3: Cross multiply
285,328,528.08x = 427,857,874.30 × 110,533,431.31 - Step 4: Simplify right side
285,328,528.08x = 47,292,598,959,381,664 - Step 5: Solve for x
x = 47,292,598,959,381,664/285,328,528.08 - Step 6: Final answer
x = 165,747,881.14
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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.