Finding the Fourth Proportional to 53,961,187.34, 74,490,757.12 and 34,408,357.58
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Solution
The fourth proportional to 53,961,187.34, 74,490,757.12 and 34,408,357.58 is: 47,499,040.21
Step by Step Solution
- Step 1: Write the proportion equation
53,961,187.34 : 74,490,757.12 = 34,408,357.58 : x - Step 2: Convert to fraction form
53,961,187.34/74,490,757.12 = 34,408,357.58/x - Step 3: Cross multiply
53,961,187.34x = 74,490,757.12 × 34,408,357.58 - Step 4: Simplify right side
53,961,187.34x = 2,563,104,607,389,891 - Step 5: Solve for x
x = 2,563,104,607,389,891/53,961,187.34 - Step 6: Final answer
x = 47,499,040.21
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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.