Finding the Fourth Proportional to 75,031,785.68, 103,554,738.77 and 43,235,769.32
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Solution
The fourth proportional to 75,031,785.68, 103,554,738.77 and 43,235,769.32 is: 59,671,627.92
Step by Step Solution
- Step 1: Write the proportion equation
75,031,785.68 : 103,554,738.77 = 43,235,769.32 : x - Step 2: Convert to fraction form
75,031,785.68/103,554,738.77 = 43,235,769.32/x - Step 3: Cross multiply
75,031,785.68x = 103,554,738.77 × 43,235,769.32 - Step 4: Simplify right side
75,031,785.68x = 4,477,268,797,042,895.50 - Step 5: Solve for x
x = 4,477,268,797,042,895.50/75,031,785.68 - Step 6: Final answer
x = 59,671,627.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.