Finding the Fourth Proportional to 75,360,218.40, 113,069,818.80 and 27,496,000.80
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Solution
The fourth proportional to 75,360,218.40, 113,069,818.80 and 27,496,000.80 is: 41,254,761.39
Step by Step Solution
- Step 1: Write the proportion equation
75,360,218.40 : 113,069,818.80 = 27,496,000.80 : x - Step 2: Convert to fraction form
75,360,218.40/113,069,818.80 = 27,496,000.80/x - Step 3: Cross multiply
75,360,218.40x = 113,069,818.80 × 27,496,000.80 - Step 4: Simplify right side
75,360,218.40x = 3,108,967,828,180,655 - Step 5: Solve for x
x = 3,108,967,828,180,655/75,360,218.40 - Step 6: Final answer
x = 41,254,761.39
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1.5x scale
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.