Finding the Fourth Proportional to 172,930,452.84, 238,620,456.48 and 103,301,053.08
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Solution
The fourth proportional to 172,930,452.84, 238,620,456.48 and 103,301,053.08 is: 142,541,374.50
Step by Step Solution
- Step 1: Write the proportion equation
172,930,452.84 : 238,620,456.48 = 103,301,053.08 : x - Step 2: Convert to fraction form
172,930,452.84/238,620,456.48 = 103,301,053.08/x - Step 3: Cross multiply
172,930,452.84x = 238,620,456.48 × 103,301,053.08 - Step 4: Simplify right side
172,930,452.84x = 24,649,744,440,814,308 - Step 5: Solve for x
x = 24,649,744,440,814,308/172,930,452.84 - Step 6: Final answer
x = 142,541,374.50
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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.