Finding the Fourth Proportional to 69,953,496.60, 104,930,244.90 and 22,078,219.80
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Solution
The fourth proportional to 69,953,496.60, 104,930,244.90 and 22,078,219.80 is: 33,117,329.70
Step by Step Solution
- Step 1: Write the proportion equation
69,953,496.60 : 104,930,244.90 = 22,078,219.80 : x - Step 2: Convert to fraction form
69,953,496.60/104,930,244.90 = 22,078,219.80/x - Step 3: Cross multiply
69,953,496.60x = 104,930,244.90 × 22,078,219.80 - Step 4: Simplify right side
69,953,496.60x = 2,316,673,010,570,029 - Step 5: Solve for x
x = 2,316,673,010,570,029/69,953,496.60 - Step 6: Final answer
x = 33,117,329.70
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1.5x scale
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.