Finding the Fourth Proportional to 174,499,565.80, 261,749,348.70 and 147,625,709.80
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Solution
The fourth proportional to 174,499,565.80, 261,749,348.70 and 147,625,709.80 is: 221,438,564.70
Step by Step Solution
- Step 1: Write the proportion equation
174,499,565.80 : 261,749,348.70 = 147,625,709.80 : x - Step 2: Convert to fraction form
174,499,565.80/261,749,348.70 = 147,625,709.80/x - Step 3: Cross multiply
174,499,565.80x = 261,749,348.70 × 147,625,709.80 - Step 4: Simplify right side
174,499,565.80x = 38,640,933,391,525,208 - Step 5: Solve for x
x = 38,640,933,391,525,208/174,499,565.80 - Step 6: Final answer
x = 221,438,564.70
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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.