Finding the Fourth Proportional to 128,065,268.14, 176,730,032.60 and 69,327,889.68
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Solution
The fourth proportional to 128,065,268.14, 176,730,032.60 and 69,327,889.68 is: 95,672,467.49
Step by Step Solution
- Step 1: Write the proportion equation
128,065,268.14 : 176,730,032.60 = 69,327,889.68 : x - Step 2: Convert to fraction form
128,065,268.14/176,730,032.60 = 69,327,889.68/x - Step 3: Cross multiply
128,065,268.14x = 176,730,032.60 × 69,327,889.68 - Step 4: Simplify right side
128,065,268.14x = 12,252,320,203,235,604 - Step 5: Solve for x
x = 12,252,320,203,235,604/128,065,268.14 - Step 6: Final answer
x = 95,672,467.49
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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.