Finding the Fourth Proportional to 197,138,748.60, 295,708,122.90 and 87,963,708.60
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Solution
The fourth proportional to 197,138,748.60, 295,708,122.90 and 87,963,708.60 is: 131,945,562.90
Step by Step Solution
- Step 1: Write the proportion equation
197,138,748.60 : 295,708,122.90 = 87,963,708.60 : x - Step 2: Convert to fraction form
197,138,748.60/295,708,122.90 = 87,963,708.60/x - Step 3: Cross multiply
197,138,748.60x = 295,708,122.90 × 87,963,708.60 - Step 4: Simplify right side
197,138,748.60x = 26,011,583,153,428,584 - Step 5: Solve for x
x = 26,011,583,153,428,584/197,138,748.60 - Step 6: Final answer
x = 131,945,562.90
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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.