Finding the Fourth Proportional to 48,423,137.40, 72,490,778.82 and 48,359,364.48
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Solution
The fourth proportional to 48,423,137.40, 72,490,778.82 and 48,359,364.48 is: 72,395,308.99
Step by Step Solution
- Step 1: Write the proportion equation
48,423,137.40 : 72,490,778.82 = 48,359,364.48 : x - Step 2: Convert to fraction form
48,423,137.40/72,490,778.82 = 48,359,364.48/x - Step 3: Cross multiply
48,423,137.40x = 72,490,778.82 × 48,359,364.48 - Step 4: Simplify right side
48,423,137.40x = 3,505,607,994,395,443.50 - Step 5: Solve for x
x = 3,505,607,994,395,443.50/48,423,137.40 - Step 6: Final answer
x = 72,395,308.99
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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.