Finding the Fourth Proportional to 120,571,241.40, 180,689,310.56 and 62,948,570.00
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Solution
The fourth proportional to 120,571,241.40, 180,689,310.56 and 62,948,570.00 is: 94,335,378.66
Step by Step Solution
- Step 1: Write the proportion equation
120,571,241.40 : 180,689,310.56 = 62,948,570.00 : x - Step 2: Convert to fraction form
120,571,241.40/180,689,310.56 = 62,948,570.00/x - Step 3: Cross multiply
120,571,241.40x = 180,689,310.56 × 62,948,570.00 - Step 4: Simplify right side
120,571,241.40x = 11,374,133,712,819,710 - Step 5: Solve for x
x = 11,374,133,712,819,710/120,571,241.40 - Step 6: Final answer
x = 94,335,378.66
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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.