Finding the Fourth Proportional to 149,944,393.48, 206,921,733.18 and 83,864,734.02
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Solution
The fourth proportional to 149,944,393.48, 206,921,733.18 and 83,864,734.02 is: 115,732,477.31
Step by Step Solution
- Step 1: Write the proportion equation
149,944,393.48 : 206,921,733.18 = 83,864,734.02 : x - Step 2: Convert to fraction form
149,944,393.48/206,921,733.18 = 83,864,734.02/x - Step 3: Cross multiply
149,944,393.48x = 206,921,733.18 × 83,864,734.02 - Step 4: Simplify right side
149,944,393.48x = 17,353,436,116,098,108 - Step 5: Solve for x
x = 17,353,436,116,098,108/149,944,393.48 - Step 6: Final answer
x = 115,732,477.31
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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.