Finding the Fourth Proportional to 55,471,152.63, 76,550,453.01 and 31,024,866.63
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Solution
The fourth proportional to 55,471,152.63, 76,550,453.01 and 31,024,866.63 is: 42,814,462.70
Step by Step Solution
- Step 1: Write the proportion equation
55,471,152.63 : 76,550,453.01 = 31,024,866.63 : x - Step 2: Convert to fraction form
55,471,152.63/76,550,453.01 = 31,024,866.63/x - Step 3: Cross multiply
55,471,152.63x = 76,550,453.01 × 31,024,866.63 - Step 4: Simplify right side
55,471,152.63x = 2,374,967,594,946,207.50 - Step 5: Solve for x
x = 2,374,967,594,946,207.50/55,471,152.63 - Step 6: Final answer
x = 42,814,462.70
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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.