Finding the Fourth Proportional to 48,924,651.60, 67,460,549.52 and 31,260,216.76
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Solution
The fourth proportional to 48,924,651.60, 67,460,549.52 and 31,260,216.76 is: 43,103,656.99
Step by Step Solution
- Step 1: Write the proportion equation
48,924,651.60 : 67,460,549.52 = 31,260,216.76 : x - Step 2: Convert to fraction form
48,924,651.60/67,460,549.52 = 31,260,216.76/x - Step 3: Cross multiply
48,924,651.60x = 67,460,549.52 × 31,260,216.76 - Step 4: Simplify right side
48,924,651.60x = 2,108,831,400,743,914 - Step 5: Solve for x
x = 2,108,831,400,743,914/48,924,651.60 - Step 6: Final answer
x = 43,103,656.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.