Finding the Fourth Proportional to 48,485,879.70, 72,764,248.95 and 34,136,972.70
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Solution
The fourth proportional to 48,485,879.70, 72,764,248.95 and 34,136,972.70 is: 51,230,403.48
Step by Step Solution
- Step 1: Write the proportion equation
48,485,879.70 : 72,764,248.95 = 34,136,972.70 : x - Step 2: Convert to fraction form
48,485,879.70/72,764,248.95 = 34,136,972.70/x - Step 3: Cross multiply
48,485,879.70x = 72,764,248.95 × 34,136,972.70 - Step 4: Simplify right side
48,485,879.70x = 2,483,951,179,942,154 - Step 5: Solve for x
x = 2,483,951,179,942,154/48,485,879.70 - Step 6: Final answer
x = 51,230,403.48
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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.