Finding the Fourth Proportional to 220,555,366.20, 330,903,908.10 and 147,854,237.40
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Solution
The fourth proportional to 220,555,366.20, 330,903,908.10 and 147,854,237.40 is: 221,828,857.89
Step by Step Solution
- Step 1: Write the proportion equation
220,555,366.20 : 330,903,908.10 = 147,854,237.40 : x - Step 2: Convert to fraction form
220,555,366.20/330,903,908.10 = 147,854,237.40/x - Step 3: Cross multiply
220,555,366.20x = 330,903,908.10 × 147,854,237.40 - Step 4: Simplify right side
220,555,366.20x = 48,925,544,984,805,192 - Step 5: Solve for x
x = 48,925,544,984,805,192/220,555,366.20 - Step 6: Final answer
x = 221,828,857.89
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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.