Finding the Fourth Proportional to 145,547,514.18, 217,658,150.99 and 108,685,290.19
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Solution
The fourth proportional to 145,547,514.18, 217,658,150.99 and 108,685,290.19 is: 162,532,760.78
Step by Step Solution
- Step 1: Write the proportion equation
145,547,514.18 : 217,658,150.99 = 108,685,290.19 : x - Step 2: Convert to fraction form
145,547,514.18/217,658,150.99 = 108,685,290.19/x - Step 3: Cross multiply
145,547,514.18x = 217,658,150.99 × 108,685,290.19 - Step 4: Simplify right side
145,547,514.18x = 23,656,239,303,314,012 - Step 5: Solve for x
x = 23,656,239,303,314,012/145,547,514.18 - Step 6: Final answer
x = 162,532,760.78
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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.