Finding the Fourth Proportional to 221,643,957.44, 332,537,698.92 and 106,613,531.12
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Solution
The fourth proportional to 221,643,957.44, 332,537,698.92 and 106,613,531.12 is: 159,954,815.47
Step by Step Solution
- Step 1: Write the proportion equation
221,643,957.44 : 332,537,698.92 = 106,613,531.12 : x - Step 2: Convert to fraction form
221,643,957.44/332,537,698.92 = 106,613,531.12/x - Step 3: Cross multiply
221,643,957.44x = 332,537,698.92 × 106,613,531.12 - Step 4: Simplify right side
221,643,957.44x = 35,453,018,312,380,612 - Step 5: Solve for x
x = 35,453,018,312,380,612/221,643,957.44 - Step 6: Final answer
x = 159,954,815.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.