Finding the Fourth Proportional to 71,671,173.12, 107,507,153.28 and 17,818,485.12
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Solution
The fourth proportional to 71,671,173.12, 107,507,153.28 and 17,818,485.12 is: 26,727,825.53
Step by Step Solution
- Step 1: Write the proportion equation
71,671,173.12 : 107,507,153.28 = 17,818,485.12 : x - Step 2: Convert to fraction form
71,671,173.12/107,507,153.28 = 17,818,485.12/x - Step 3: Cross multiply
71,671,173.12x = 107,507,153.28 × 17,818,485.12 - Step 4: Simplify right side
71,671,173.12x = 1,915,614,611,013,239.25 - Step 5: Solve for x
x = 1,915,614,611,013,239.25/71,671,173.12 - Step 6: Final answer
x = 26,727,825.53
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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.