Finding the Fourth Proportional to 48,735,253.20, 73,102,879.80 and 39,169,315.20
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Solution
The fourth proportional to 48,735,253.20, 73,102,879.80 and 39,169,315.20 is: 58,753,972.80
Step by Step Solution
- Step 1: Write the proportion equation
48,735,253.20 : 73,102,879.80 = 39,169,315.20 : x - Step 2: Convert to fraction form
48,735,253.20/73,102,879.80 = 39,169,315.20/x - Step 3: Cross multiply
48,735,253.20x = 73,102,879.80 × 39,169,315.20 - Step 4: Simplify right side
48,735,253.20x = 2,863,389,740,913,913 - Step 5: Solve for x
x = 2,863,389,740,913,913/48,735,253.20 - Step 6: Final answer
x = 58,753,972.80
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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.