Finding the Fourth Proportional to 153,232,934.94, 211,465,916.28 and 83,622,799.80
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Solution
The fourth proportional to 153,232,934.94, 211,465,916.28 and 83,622,799.80 is: 115,401,900.96
Step by Step Solution
- Step 1: Write the proportion equation
153,232,934.94 : 211,465,916.28 = 83,622,799.80 : x - Step 2: Convert to fraction form
153,232,934.94/211,465,916.28 = 83,622,799.80/x - Step 3: Cross multiply
153,232,934.94x = 211,465,916.28 × 83,622,799.80 - Step 4: Simplify right side
153,232,934.94x = 17,683,371,981,606,000 - Step 5: Solve for x
x = 17,683,371,981,606,000/153,232,934.94 - Step 6: Final answer
x = 115,401,900.96
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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.