Finding the Fourth Proportional to 221,480,313.70, 332,220,470.55 and 106,437,115.30
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Solution
The fourth proportional to 221,480,313.70, 332,220,470.55 and 106,437,115.30 is: 159,655,672.95
Step by Step Solution
- Step 1: Write the proportion equation
221,480,313.70 : 332,220,470.55 = 106,437,115.30 : x - Step 2: Convert to fraction form
221,480,313.70/332,220,470.55 = 106,437,115.30/x - Step 3: Cross multiply
221,480,313.70x = 332,220,470.55 × 106,437,115.30 - Step 4: Simplify right side
221,480,313.70x = 35,360,588,528,950,604 - Step 5: Solve for x
x = 35,360,588,528,950,604/221,480,313.70 - Step 6: Final answer
x = 159,655,672.95
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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.