Finding the Fourth Proportional to 261,560,555.01, 392,355,140.35 and 106,091,273.97
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Solution
The fourth proportional to 261,560,555.01, 392,355,140.35 and 106,091,273.97 is: 159,142,714.34
Step by Step Solution
- Step 1: Write the proportion equation
261,560,555.01 : 392,355,140.35 = 106,091,273.97 : x - Step 2: Convert to fraction form
261,560,555.01/392,355,140.35 = 106,091,273.97/x - Step 3: Cross multiply
261,560,555.01x = 392,355,140.35 × 106,091,273.97 - Step 4: Simplify right side
261,560,555.01x = 41,625,456,688,409,656 - Step 5: Solve for x
x = 41,625,456,688,409,656/261,560,555.01 - Step 6: Final answer
x = 159,142,714.34
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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.