Finding the Fourth Proportional to 54,239,775.57, 74,851,434.09 and 29,460,447.06
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Solution
The fourth proportional to 54,239,775.57, 74,851,434.09 and 29,460,447.06 is: 40,655,712.31
Step by Step Solution
- Step 1: Write the proportion equation
54,239,775.57 : 74,851,434.09 = 29,460,447.06 : x - Step 2: Convert to fraction form
54,239,775.57/74,851,434.09 = 29,460,447.06/x - Step 3: Cross multiply
54,239,775.57x = 74,851,434.09 × 29,460,447.06 - Step 4: Simplify right side
54,239,775.57x = 2,205,156,711,373,524.25 - Step 5: Solve for x
x = 2,205,156,711,373,524.25/54,239,775.57 - Step 6: Final answer
x = 40,655,712.31
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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.