Finding the Fourth Proportional to 70,861,655.15, 106,292,484.09 and 17,008,967.15
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Solution
The fourth proportional to 70,861,655.15, 106,292,484.09 and 17,008,967.15 is: 25,513,451.05
Step by Step Solution
- Step 1: Write the proportion equation
70,861,655.15 : 106,292,484.09 = 17,008,967.15 : x - Step 2: Convert to fraction form
70,861,655.15/106,292,484.09 = 17,008,967.15/x - Step 3: Cross multiply
70,861,655.15x = 106,292,484.09 × 17,008,967.15 - Step 4: Simplify right side
70,861,655.15x = 1,807,925,369,647,245.25 - Step 5: Solve for x
x = 1,807,925,369,647,245.25/70,861,655.15 - Step 6: Final answer
x = 25,513,451.05
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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.