Finding the Fourth Proportional to 73,779,104.80, 110,668,657.20 and 65,488,625.20
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Solution
The fourth proportional to 73,779,104.80, 110,668,657.20 and 65,488,625.20 is: 98,232,937.80
Step by Step Solution
- Step 1: Write the proportion equation
73,779,104.80 : 110,668,657.20 = 65,488,625.20 : x - Step 2: Convert to fraction form
73,779,104.80/110,668,657.20 = 65,488,625.20/x - Step 3: Cross multiply
73,779,104.80x = 110,668,657.20 × 65,488,625.20 - Step 4: Simplify right side
73,779,104.80x = 7,247,538,212,758,082 - Step 5: Solve for x
x = 7,247,538,212,758,082/73,779,104.80 - Step 6: Final answer
x = 98,232,937.80
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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.