Finding the Fourth Proportional to 139,104,230.80, 208,656,346.20 and 48,197,606.80
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Solution
The fourth proportional to 139,104,230.80, 208,656,346.20 and 48,197,606.80 is: 72,296,410.20
Step by Step Solution
- Step 1: Write the proportion equation
139,104,230.80 : 208,656,346.20 = 48,197,606.80 : x - Step 2: Convert to fraction form
139,104,230.80/208,656,346.20 = 48,197,606.80/x - Step 3: Cross multiply
139,104,230.80x = 208,656,346.20 × 48,197,606.80 - Step 4: Simplify right side
139,104,230.80x = 10,056,736,530,472,272 - Step 5: Solve for x
x = 10,056,736,530,472,272/139,104,230.80 - Step 6: Final answer
x = 72,296,410.20
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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.