Finding the Fourth Proportional to 73,355,710.80, 110,033,566.20 and 39,343,486.80
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Solution
The fourth proportional to 73,355,710.80, 110,033,566.20 and 39,343,486.80 is: 59,015,230.20
Step by Step Solution
- Step 1: Write the proportion equation
73,355,710.80 : 110,033,566.20 = 39,343,486.80 : x - Step 2: Convert to fraction form
73,355,710.80/110,033,566.20 = 39,343,486.80/x - Step 3: Cross multiply
73,355,710.80x = 110,033,566.20 × 39,343,486.80 - Step 4: Simplify right side
73,355,710.80x = 4,329,104,159,346,626 - Step 5: Solve for x
x = 4,329,104,159,346,626/73,355,710.80 - Step 6: Final answer
x = 59,015,230.20
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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.