Finding the Fourth Proportional to 112,212,647.40, 168,276,980.70 and 39,401,293.80
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Solution
The fourth proportional to 112,212,647.40, 168,276,980.70 and 39,401,293.80 is: 59,087,196.59
Step by Step Solution
- Step 1: Write the proportion equation
112,212,647.40 : 168,276,980.70 = 39,401,293.80 : x - Step 2: Convert to fraction form
112,212,647.40/168,276,980.70 = 39,401,293.80/x - Step 3: Cross multiply
112,212,647.40x = 168,276,980.70 × 39,401,293.80 - Step 4: Simplify right side
112,212,647.40x = 6,630,330,756,337,629 - Step 5: Solve for x
x = 6,630,330,756,337,629/112,212,647.40 - Step 6: Final answer
x = 59,087,196.59
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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.