Finding the Fourth Proportional to 67,787,024, 93,591,138.12 and 52,078,070.84
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Solution
The fourth proportional to 67,787,024, 93,591,138.12 and 52,078,070.84 is: 71,902,344.04
Step by Step Solution
- Step 1: Write the proportion equation
67,787,024 : 93,591,138.12 = 52,078,070.84 : x - Step 2: Convert to fraction form
67,787,024/93,591,138.12 = 52,078,070.84/x - Step 3: Cross multiply
67,787,024x = 93,591,138.12 × 52,078,070.84 - Step 4: Simplify right side
67,787,024x = 4,874,045,921,009,585 - Step 5: Solve for x
x = 4,874,045,921,009,585/67,787,024 - Step 6: Final answer
x = 71,902,344.04
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.