Finding the Fourth Proportional to 149,969,423.70, 224,954,135.55 and 42,264,047.70
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Solution
The fourth proportional to 149,969,423.70, 224,954,135.55 and 42,264,047.70 is: 63,396,071.55
Step by Step Solution
- Step 1: Write the proportion equation
149,969,423.70 : 224,954,135.55 = 42,264,047.70 : x - Step 2: Convert to fraction form
149,969,423.70/224,954,135.55 = 42,264,047.70/x - Step 3: Cross multiply
149,969,423.70x = 224,954,135.55 × 42,264,047.70 - Step 4: Simplify right side
149,969,423.70x = 9,507,472,315,197,466 - Step 5: Solve for x
x = 9,507,472,315,197,466/149,969,423.70 - Step 6: Final answer
x = 63,396,071.55
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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.