Finding the Fourth Proportional to 54,201,723.48, 74,799,876.06 and 30,678,390.36
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Solution
The fourth proportional to 54,201,723.48, 74,799,876.06 and 30,678,390.36 is: 42,337,026.38
Step by Step Solution
- Step 1: Write the proportion equation
54,201,723.48 : 74,799,876.06 = 30,678,390.36 : x - Step 2: Convert to fraction form
54,201,723.48/74,799,876.06 = 30,678,390.36/x - Step 3: Cross multiply
54,201,723.48x = 74,799,876.06 × 30,678,390.36 - Step 4: Simplify right side
54,201,723.48x = 2,294,739,796,648,299 - Step 5: Solve for x
x = 2,294,739,796,648,299/54,201,723.48 - Step 6: Final answer
x = 42,337,026.38
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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.