Finding the Fourth Proportional to 235,357,197.81, 353,086,868 and 71,590,698.06
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Solution
The fourth proportional to 235,357,197.81, 353,086,868 and 71,590,698.06 is: 107,401,581.90
Step by Step Solution
- Step 1: Write the proportion equation
235,357,197.81 : 353,086,868 = 71,590,698.06 : x - Step 2: Convert to fraction form
235,357,197.81/353,086,868 = 71,590,698.06/x - Step 3: Cross multiply
235,357,197.81x = 353,086,868 × 71,590,698.06 - Step 4: Simplify right side
235,357,197.81x = 25,277,735,355,939,076 - Step 5: Solve for x
x = 25,277,735,355,939,076/235,357,197.81 - Step 6: Final answer
x = 107,401,581.90
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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.