Finding the Fourth Proportional to 65,184,805.30, 97,777,207.95 and 42,509,989.30
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Solution
The fourth proportional to 65,184,805.30, 97,777,207.95 and 42,509,989.30 is: 63,764,983.95
Step by Step Solution
- Step 1: Write the proportion equation
65,184,805.30 : 97,777,207.95 = 42,509,989.30 : x - Step 2: Convert to fraction form
65,184,805.30/97,777,207.95 = 42,509,989.30/x - Step 3: Cross multiply
65,184,805.30x = 97,777,207.95 × 42,509,989.30 - Step 4: Simplify right side
65,184,805.30x = 4,156,508,063,738,375 - Step 5: Solve for x
x = 4,156,508,063,738,375/65,184,805.30 - Step 6: Final answer
x = 63,764,983.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.