Finding the Fourth Proportional to 73,085,303.21, 109,641,781.35 and 29,369,464.78
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Solution
The fourth proportional to 73,085,303.21, 109,641,781.35 and 29,369,464.78 is: 44,059,753.39
Step by Step Solution
- Step 1: Write the proportion equation
73,085,303.21 : 109,641,781.35 = 29,369,464.78 : x - Step 2: Convert to fraction form
73,085,303.21/109,641,781.35 = 29,369,464.78/x - Step 3: Cross multiply
73,085,303.21x = 109,641,781.35 × 29,369,464.78 - Step 4: Simplify right side
73,085,303.21x = 3,220,120,435,775,286 - Step 5: Solve for x
x = 3,220,120,435,775,286/73,085,303.21 - Step 6: Final answer
x = 44,059,753.39
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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.