Finding the Fourth Proportional to 121,361,120.01, 167,523,889.04 and 79,547,878.80
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Solution
The fourth proportional to 121,361,120.01, 167,523,889.04 and 79,547,878.80 is: 109,805,924.83
Step by Step Solution
- Step 1: Write the proportion equation
121,361,120.01 : 167,523,889.04 = 79,547,878.80 : x - Step 2: Convert to fraction form
121,361,120.01/167,523,889.04 = 79,547,878.80/x - Step 3: Cross multiply
121,361,120.01x = 167,523,889.04 × 79,547,878.80 - Step 4: Simplify right side
121,361,120.01x = 13,326,170,021,606,846 - Step 5: Solve for x
x = 13,326,170,021,606,846/121,361,120.01 - Step 6: Final answer
x = 109,805,924.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.