Finding the Fourth Proportional to 221,424,139.80, 332,136,209.70 and 98,602,219.80
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Solution
The fourth proportional to 221,424,139.80, 332,136,209.70 and 98,602,219.80 is: 147,903,329.70
Step by Step Solution
- Step 1: Write the proportion equation
221,424,139.80 : 332,136,209.70 = 98,602,219.80 : x - Step 2: Convert to fraction form
221,424,139.80/332,136,209.70 = 98,602,219.80/x - Step 3: Cross multiply
221,424,139.80x = 332,136,209.70 × 98,602,219.80 - Step 4: Simplify right side
221,424,139.80x = 32,749,367,552,378,288 - Step 5: Solve for x
x = 32,749,367,552,378,288/221,424,139.80 - Step 6: Final answer
x = 147,903,329.70
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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.