Finding the Fourth Proportional to 174,499,486.80, 261,749,230.20 and 147,625,630.80
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Solution
The fourth proportional to 174,499,486.80, 261,749,230.20 and 147,625,630.80 is: 221,438,446.20
Step by Step Solution
- Step 1: Write the proportion equation
174,499,486.80 : 261,749,230.20 = 147,625,630.80 : x - Step 2: Convert to fraction form
174,499,486.80/261,749,230.20 = 147,625,630.80/x - Step 3: Cross multiply
174,499,486.80x = 261,749,230.20 × 147,625,630.80 - Step 4: Simplify right side
174,499,486.80x = 38,640,895,219,689,408 - Step 5: Solve for x
x = 38,640,895,219,689,408/174,499,486.80 - Step 6: Final answer
x = 221,438,446.20
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1.5x scale
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.