Finding the Fourth Proportional to 130,203,565.22, 195,195,506.96 and 107,175,636.20
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Solution
The fourth proportional to 130,203,565.22, 195,195,506.96 and 107,175,636.20 is: 160,673,039.99
Step by Step Solution
- Step 1: Write the proportion equation
130,203,565.22 : 195,195,506.96 = 107,175,636.20 : x - Step 2: Convert to fraction form
130,203,565.22/195,195,506.96 = 107,175,636.20/x - Step 3: Cross multiply
130,203,565.22x = 195,195,506.96 × 107,175,636.20 - Step 4: Simplify right side
130,203,565.22x = 20,920,202,641,819,528 - Step 5: Solve for x
x = 20,920,202,641,819,528/130,203,565.22 - Step 6: Final answer
x = 160,673,039.99
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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.