Finding the Fourth Proportional to 61,850,291.54, 85,351,063.97 and 34,349,991.26
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Solution
The fourth proportional to 61,850,291.54, 85,351,063.97 and 34,349,991.26 is: 47,401,689.28
Step by Step Solution
- Step 1: Write the proportion equation
61,850,291.54 : 85,351,063.97 = 34,349,991.26 : x - Step 2: Convert to fraction form
61,850,291.54/85,351,063.97 = 34,349,991.26/x - Step 3: Cross multiply
61,850,291.54x = 85,351,063.97 × 34,349,991.26 - Step 4: Simplify right side
61,850,291.54x = 2,931,808,301,060,320.50 - Step 5: Solve for x
x = 2,931,808,301,060,320.50/61,850,291.54 - Step 6: Final answer
x = 47,401,689.28
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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.