Finding the Fourth Proportional to 197,903,885.55, 296,938,162.70 and 87,182,889.41
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Solution
The fourth proportional to 197,903,885.55, 296,938,162.70 and 87,182,889.41 is: 130,810,604.99
Step by Step Solution
- Step 1: Write the proportion equation
197,903,885.55 : 296,938,162.70 = 87,182,889.41 : x - Step 2: Convert to fraction form
197,903,885.55/296,938,162.70 = 87,182,889.41/x - Step 3: Cross multiply
197,903,885.55x = 296,938,162.70 × 87,182,889.41 - Step 4: Simplify right side
197,903,885.55x = 25,887,926,998,362,080 - Step 5: Solve for x
x = 25,887,926,998,362,080/197,903,885.55 - Step 6: Final answer
x = 130,810,604.99
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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.