Finding the Fourth Proportional to 109,021,316.72, 163,554,544.92 and 44,325,132.80
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Solution
The fourth proportional to 109,021,316.72, 163,554,544.92 and 44,325,132.80 is: 66,496,875.49
Step by Step Solution
- Step 1: Write the proportion equation
109,021,316.72 : 163,554,544.92 = 44,325,132.80 : x - Step 2: Convert to fraction form
109,021,316.72/163,554,544.92 = 44,325,132.80/x - Step 3: Cross multiply
109,021,316.72x = 163,554,544.92 × 44,325,132.80 - Step 4: Simplify right side
109,021,316.72x = 7,249,576,923,622,564 - Step 5: Solve for x
x = 7,249,576,923,622,564/109,021,316.72 - Step 6: Final answer
x = 66,496,875.49
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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.