Finding the Fourth Proportional to 87,235,294.98, 120,402,571.02 and 51,973,756.62
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Solution
The fourth proportional to 87,235,294.98, 120,402,571.02 and 51,973,756.62 is: 71,734,427.26
Step by Step Solution
- Step 1: Write the proportion equation
87,235,294.98 : 120,402,571.02 = 51,973,756.62 : x - Step 2: Convert to fraction form
87,235,294.98/120,402,571.02 = 51,973,756.62/x - Step 3: Cross multiply
87,235,294.98x = 120,402,571.02 × 51,973,756.62 - Step 4: Simplify right side
87,235,294.98x = 6,257,773,922,615,745 - Step 5: Solve for x
x = 6,257,773,922,615,745/87,235,294.98 - Step 6: Final answer
x = 71,734,427.26
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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.