Finding the Fourth Proportional to 221,472,749.80, 332,209,124.70 and 98,650,829.80
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Solution
The fourth proportional to 221,472,749.80, 332,209,124.70 and 98,650,829.80 is: 147,976,244.70
Step by Step Solution
- Step 1: Write the proportion equation
221,472,749.80 : 332,209,124.70 = 98,650,829.80 : x - Step 2: Convert to fraction form
221,472,749.80/332,209,124.70 = 98,650,829.80/x - Step 3: Cross multiply
221,472,749.80x = 332,209,124.70 × 98,650,829.80 - Step 4: Simplify right side
221,472,749.80x = 32,772,705,818,786,672 - Step 5: Solve for x
x = 32,772,705,818,786,672/221,472,749.80 - Step 6: Final answer
x = 147,976,244.70
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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.