Finding the Fourth Proportional to 67,025,138.90, 100,537,708.35 and 47,468,110.10
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Solution
The fourth proportional to 67,025,138.90, 100,537,708.35 and 47,468,110.10 is: 71,202,165.15
Step by Step Solution
- Step 1: Write the proportion equation
67,025,138.90 : 100,537,708.35 = 47,468,110.10 : x - Step 2: Convert to fraction form
67,025,138.90/100,537,708.35 = 47,468,110.10/x - Step 3: Cross multiply
67,025,138.90x = 100,537,708.35 × 47,468,110.10 - Step 4: Simplify right side
67,025,138.90x = 4,772,335,009,159,489 - Step 5: Solve for x
x = 4,772,335,009,159,489/67,025,138.90 - Step 6: Final answer
x = 71,202,165.15
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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.