Finding the Fourth Proportional to 124,141,369.20, 185,893,189.20 and 98,419,624.80
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Solution
The fourth proportional to 124,141,369.20, 185,893,189.20 and 98,419,624.80 is: 147,376,640.45
Step by Step Solution
- Step 1: Write the proportion equation
124,141,369.20 : 185,893,189.20 = 98,419,624.80 : x - Step 2: Convert to fraction form
124,141,369.20/185,893,189.20 = 98,419,624.80/x - Step 3: Cross multiply
124,141,369.20x = 185,893,189.20 × 98,419,624.80 - Step 4: Simplify right side
124,141,369.20x = 18,295,537,933,939,412 - Step 5: Solve for x
x = 18,295,537,933,939,412/124,141,369.20 - Step 6: Final answer
x = 147,376,640.45
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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.