Finding the Fourth Proportional to 65,675,032.80, 98,521,880.40 and 20,232,088.80
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Solution
The fourth proportional to 65,675,032.80, 98,521,880.40 and 20,232,088.80 is: 30,351,007.80
Step by Step Solution
- Step 1: Write the proportion equation
65,675,032.80 : 98,521,880.40 = 20,232,088.80 : x - Step 2: Convert to fraction form
65,675,032.80/98,521,880.40 = 20,232,088.80/x - Step 3: Cross multiply
65,675,032.80x = 98,521,880.40 × 20,232,088.80 - Step 4: Simplify right side
65,675,032.80x = 1,993,303,432,995,779.75 - Step 5: Solve for x
x = 1,993,303,432,995,779.75/65,675,032.80 - Step 6: Final answer
x = 30,351,007.80
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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.