Finding the Fourth Proportional to 155,532,986.20, 233,299,479.30 and 97,838,176.60
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Solution
The fourth proportional to 155,532,986.20, 233,299,479.30 and 97,838,176.60 is: 146,757,264.90
Step by Step Solution
- Step 1: Write the proportion equation
155,532,986.20 : 233,299,479.30 = 97,838,176.60 : x - Step 2: Convert to fraction form
155,532,986.20/233,299,479.30 = 97,838,176.60/x - Step 3: Cross multiply
155,532,986.20x = 233,299,479.30 × 97,838,176.60 - Step 4: Simplify right side
155,532,986.20x = 22,825,595,656,441,444 - Step 5: Solve for x
x = 22,825,595,656,441,444/155,532,986.20 - Step 6: Final answer
x = 146,757,264.90
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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.