Finding the Fourth Proportional to 112,212,698.40, 168,277,057.20 and 39,401,344.80
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Solution
The fourth proportional to 112,212,698.40, 168,277,057.20 and 39,401,344.80 is: 59,087,273.07
Step by Step Solution
- Step 1: Write the proportion equation
112,212,698.40 : 168,277,057.20 = 39,401,344.80 : x - Step 2: Convert to fraction form
112,212,698.40/168,277,057.20 = 39,401,344.80/x - Step 3: Cross multiply
112,212,698.40x = 168,277,057.20 × 39,401,344.80 - Step 4: Simplify right side
112,212,698.40x = 6,630,342,352,666,522 - Step 5: Solve for x
x = 6,630,342,352,666,522/112,212,698.40 - Step 6: Final answer
x = 59,087,273.07
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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.