Finding the Fourth Proportional to 221,616,021.65, 332,424,032.48 and 100,683,669.65
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Solution
The fourth proportional to 221,616,021.65, 332,424,032.48 and 100,683,669.65 is: 151,025,504.48
Step by Step Solution
- Step 1: Write the proportion equation
221,616,021.65 : 332,424,032.48 = 100,683,669.65 : x - Step 2: Convert to fraction form
221,616,021.65/332,424,032.48 = 100,683,669.65/x - Step 3: Cross multiply
221,616,021.65x = 332,424,032.48 × 100,683,669.65 - Step 4: Simplify right side
221,616,021.65x = 33,469,671,469,433,776 - Step 5: Solve for x
x = 33,469,671,469,433,776/221,616,021.65 - Step 6: Final answer
x = 151,025,504.48
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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.