Finding the Fourth Proportional to 81,549,483.27, 122,263,126.20 and 49,193,843.73
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Solution
The fourth proportional to 81,549,483.27, 122,263,126.20 and 49,193,843.73 is: 73,753,908.46
Step by Step Solution
- Step 1: Write the proportion equation
81,549,483.27 : 122,263,126.20 = 49,193,843.73 : x - Step 2: Convert to fraction form
81,549,483.27/122,263,126.20 = 49,193,843.73/x - Step 3: Cross multiply
81,549,483.27x = 122,263,126.20 × 49,193,843.73 - Step 4: Simplify right side
81,549,483.27x = 6,014,593,124,224,068 - Step 5: Solve for x
x = 6,014,593,124,224,068/81,549,483.27 - Step 6: Final answer
x = 73,753,908.46
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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.