Finding the Fourth Proportional to 53,495,925.12, 73,823,322.24 and 31,471,804.80
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Solution
The fourth proportional to 53,495,925.12, 73,823,322.24 and 31,471,804.80 is: 43,430,470.30
Step by Step Solution
- Step 1: Write the proportion equation
53,495,925.12 : 73,823,322.24 = 31,471,804.80 : x - Step 2: Convert to fraction form
53,495,925.12/73,823,322.24 = 31,471,804.80/x - Step 3: Cross multiply
53,495,925.12x = 73,823,322.24 × 31,471,804.80 - Step 4: Simplify right side
53,495,925.12x = 2,323,353,187,224,778.50 - Step 5: Solve for x
x = 2,323,353,187,224,778.50/53,495,925.12 - Step 6: Final answer
x = 43,430,470.30
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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.