Finding the Fourth Proportional to 130,415,948.10, 195,623,922.15 and 79,397,612.10
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Solution
The fourth proportional to 130,415,948.10, 195,623,922.15 and 79,397,612.10 is: 119,096,418.15
Step by Step Solution
- Step 1: Write the proportion equation
130,415,948.10 : 195,623,922.15 = 79,397,612.10 : x - Step 2: Convert to fraction form
130,415,948.10/195,623,922.15 = 79,397,612.10/x - Step 3: Cross multiply
130,415,948.10x = 195,623,922.15 × 79,397,612.10 - Step 4: Simplify right side
130,415,948.10x = 15,532,072,288,346,298 - Step 5: Solve for x
x = 15,532,072,288,346,298/130,415,948.10 - Step 6: Final answer
x = 119,096,418.15
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Similar ratio
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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.