Finding the Fourth Proportional to 56,585,486.70, 84,878,230.05 and 53,237,408.40
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Solution
The fourth proportional to 56,585,486.70, 84,878,230.05 and 53,237,408.40 is: 79,856,112.60
Step by Step Solution
- Step 1: Write the proportion equation
56,585,486.70 : 84,878,230.05 = 53,237,408.40 : x - Step 2: Convert to fraction form
56,585,486.70/84,878,230.05 = 53,237,408.40/x - Step 3: Cross multiply
56,585,486.70x = 84,878,230.05 × 53,237,408.40 - Step 4: Simplify right side
56,585,486.70x = 4,518,696,997,441,002 - Step 5: Solve for x
x = 4,518,696,997,441,002/56,585,486.70 - Step 6: Final answer
x = 79,856,112.60
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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.