Finding the Fourth Proportional to 71,625,603.70, 107,438,405.55 and 71,625,603.70
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Solution
The fourth proportional to 71,625,603.70, 107,438,405.55 and 71,625,603.70 is: 107,438,405.55
Step by Step Solution
- Step 1: Write the proportion equation
71,625,603.70 : 107,438,405.55 = 71,625,603.70 : x - Step 2: Convert to fraction form
71,625,603.70/107,438,405.55 = 71,625,603.70/x - Step 3: Cross multiply
71,625,603.70x = 107,438,405.55 × 71,625,603.70 - Step 4: Simplify right side
71,625,603.70x = 7,695,340,658,084,181 - Step 5: Solve for x
x = 7,695,340,658,084,181/71,625,603.70 - Step 6: Final answer
x = 107,438,405.55
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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.