Finding the Fourth Proportional to 48,388,451.20, 72,588,897.60 and 24,139,772.80
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Solution
The fourth proportional to 48,388,451.20, 72,588,897.60 and 24,139,772.80 is: 36,212,762.60
Step by Step Solution
- Step 1: Write the proportion equation
48,388,451.20 : 72,588,897.60 = 24,139,772.80 : x - Step 2: Convert to fraction form
48,388,451.20/72,588,897.60 = 24,139,772.80/x - Step 3: Cross multiply
48,388,451.20x = 72,588,897.60 × 24,139,772.80 - Step 4: Simplify right side
48,388,451.20x = 1,752,279,495,866,465.25 - Step 5: Solve for x
x = 1,752,279,495,866,465.25/48,388,451.20 - Step 6: Final answer
x = 36,212,762.60
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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.