Finding the Fourth Proportional to 96,872,649.20, 145,144,540.20 and 58,453,434.80
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Solution
The fourth proportional to 96,872,649.20, 145,144,540.20 and 58,453,434.80 is: 87,580,932.15
Step by Step Solution
- Step 1: Write the proportion equation
96,872,649.20 : 145,144,540.20 = 58,453,434.80 : x - Step 2: Convert to fraction form
96,872,649.20/145,144,540.20 = 58,453,434.80/x - Step 3: Cross multiply
96,872,649.20x = 145,144,540.20 × 58,453,434.80 - Step 4: Simplify right side
96,872,649.20x = 8,484,196,917,156,678 - Step 5: Solve for x
x = 8,484,196,917,156,678/96,872,649.20 - Step 6: Final answer
x = 87,580,932.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.