Finding the Fourth Proportional to 197,873,281.94, 296,670,847.53 and 87,156,406.94
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Solution
The fourth proportional to 197,873,281.94, 296,670,847.53 and 87,156,406.94 is: 130,673,352.47
Step by Step Solution
- Step 1: Write the proportion equation
197,873,281.94 : 296,670,847.53 = 87,156,406.94 : x - Step 2: Convert to fraction form
197,873,281.94/296,670,847.53 = 87,156,406.94/x - Step 3: Cross multiply
197,873,281.94x = 296,670,847.53 × 87,156,406.94 - Step 4: Simplify right side
197,873,281.94x = 25,856,765,114,559,372 - Step 5: Solve for x
x = 25,856,765,114,559,372/197,873,281.94 - Step 6: Final answer
x = 130,673,352.47
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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.