Finding the Fourth Proportional to 128,121,700.36, 192,215,322.75 and 37,245,289.36
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Solution
The fourth proportional to 128,121,700.36, 192,215,322.75 and 37,245,289.36 is: 55,877,461.00
Step by Step Solution
- Step 1: Write the proportion equation
128,121,700.36 : 192,215,322.75 = 37,245,289.36 : x - Step 2: Convert to fraction form
128,121,700.36/192,215,322.75 = 37,245,289.36/x - Step 3: Cross multiply
128,121,700.36x = 192,215,322.75 × 37,245,289.36 - Step 4: Simplify right side
128,121,700.36x = 7,159,115,315,249,541 - Step 5: Solve for x
x = 7,159,115,315,249,541/128,121,700.36 - Step 6: Final answer
x = 55,877,461.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.