Finding the Fourth Proportional to 76,773,889.97, 115,160,834.96 and 25,655,908.79
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Solution
The fourth proportional to 76,773,889.97, 115,160,834.96 and 25,655,908.79 is: 38,483,863.18
Step by Step Solution
- Step 1: Write the proportion equation
76,773,889.97 : 115,160,834.96 = 25,655,908.79 : x - Step 2: Convert to fraction form
76,773,889.97/115,160,834.96 = 25,655,908.79/x - Step 3: Cross multiply
76,773,889.97x = 115,160,834.96 × 25,655,908.79 - Step 4: Simplify right side
76,773,889.97x = 2,954,555,877,209,919.50 - Step 5: Solve for x
x = 2,954,555,877,209,919.50/76,773,889.97 - Step 6: Final answer
x = 38,483,863.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.