Finding the Fourth Proportional to 97,152,209.70, 145,728,314.55 and 25,348,625.70
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Solution
The fourth proportional to 97,152,209.70, 145,728,314.55 and 25,348,625.70 is: 38,022,938.55
Step by Step Solution
- Step 1: Write the proportion equation
97,152,209.70 : 145,728,314.55 = 25,348,625.70 : x - Step 2: Convert to fraction form
97,152,209.70/145,728,314.55 = 25,348,625.70/x - Step 3: Cross multiply
97,152,209.70x = 145,728,314.55 × 25,348,625.70 - Step 4: Simplify right side
97,152,209.70x = 3,694,012,499,419,814 - Step 5: Solve for x
x = 3,694,012,499,419,814/97,152,209.70 - Step 6: Final answer
x = 38,022,938.55
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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.