Finding the Fourth Proportional to 221,480,295.70, 332,220,443.55 and 106,437,097.30
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Solution
The fourth proportional to 221,480,295.70, 332,220,443.55 and 106,437,097.30 is: 159,655,645.95
Step by Step Solution
- Step 1: Write the proportion equation
221,480,295.70 : 332,220,443.55 = 106,437,097.30 : x - Step 2: Convert to fraction form
221,480,295.70/332,220,443.55 = 106,437,097.30/x - Step 3: Cross multiply
221,480,295.70x = 332,220,443.55 × 106,437,097.30 - Step 4: Simplify right side
221,480,295.70x = 35,360,579,675,180,508 - Step 5: Solve for x
x = 35,360,579,675,180,508/221,480,295.70 - Step 6: Final answer
x = 159,655,645.95
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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.