Finding the Fourth Proportional to 87,288,614.40, 130,938,163.20 and 26,704,865.28
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Solution
The fourth proportional to 87,288,614.40, 130,938,163.20 and 26,704,865.28 is: 40,058,901.52
Step by Step Solution
- Step 1: Write the proportion equation
87,288,614.40 : 130,938,163.20 = 26,704,865.28 : x - Step 2: Convert to fraction form
87,288,614.40/130,938,163.20 = 26,704,865.28/x - Step 3: Cross multiply
87,288,614.40x = 130,938,163.20 × 26,704,865.28 - Step 4: Simplify right side
87,288,614.40x = 3,496,686,008,266,654 - Step 5: Solve for x
x = 3,496,686,008,266,654/87,288,614.40 - Step 6: Final answer
x = 40,058,901.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.