Finding the Fourth Proportional to 211,936,814.18, 317,920,354.88 and 56,489,807.88
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Solution
The fourth proportional to 211,936,814.18, 317,920,354.88 and 56,489,807.88 is: 84,738,745.54
Step by Step Solution
- Step 1: Write the proportion equation
211,936,814.18 : 317,920,354.88 = 56,489,807.88 : x - Step 2: Convert to fraction form
211,936,814.18/317,920,354.88 = 56,489,807.88/x - Step 3: Cross multiply
211,936,814.18x = 317,920,354.88 × 56,489,807.88 - Step 4: Simplify right side
211,936,814.18x = 17,959,259,768,312,622 - Step 5: Solve for x
x = 17,959,259,768,312,622/211,936,814.18 - Step 6: Final answer
x = 84,738,745.54
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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.