Finding the Fourth Proportional to 146,708,251.20, 220,062,376.80 and 78,683,803.20
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Solution
The fourth proportional to 146,708,251.20, 220,062,376.80 and 78,683,803.20 is: 118,025,704.80
Step by Step Solution
- Step 1: Write the proportion equation
146,708,251.20 : 220,062,376.80 = 78,683,803.20 : x - Step 2: Convert to fraction form
146,708,251.20/220,062,376.80 = 78,683,803.20/x - Step 3: Cross multiply
146,708,251.20x = 220,062,376.80 × 78,683,803.20 - Step 4: Simplify right side
146,708,251.20x = 17,315,344,747,855,448 - Step 5: Solve for x
x = 17,315,344,747,855,448/146,708,251.20 - Step 6: Final answer
x = 118,025,704.80
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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.