Finding the Fourth Proportional to 126,408,582.19, 189,612,873.33 and 35,532,171.19
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Solution
The fourth proportional to 126,408,582.19, 189,612,873.33 and 35,532,171.19 is: 53,298,256.80
Step by Step Solution
- Step 1: Write the proportion equation
126,408,582.19 : 189,612,873.33 = 35,532,171.19 : x - Step 2: Convert to fraction form
126,408,582.19/189,612,873.33 = 35,532,171.19/x - Step 3: Cross multiply
126,408,582.19x = 189,612,873.33 × 35,532,171.19 - Step 4: Simplify right side
126,408,582.19x = 6,737,357,074,989,345 - Step 5: Solve for x
x = 6,737,357,074,989,345/126,408,582.19 - Step 6: Final answer
x = 53,298,256.80
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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.