Finding the Fourth Proportional to 140,961,950.70, 211,442,926.05 and 102,698,198.70
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Solution
The fourth proportional to 140,961,950.70, 211,442,926.05 and 102,698,198.70 is: 154,047,298.05
Step by Step Solution
- Step 1: Write the proportion equation
140,961,950.70 : 211,442,926.05 = 102,698,198.70 : x - Step 2: Convert to fraction form
140,961,950.70/211,442,926.05 = 102,698,198.70/x - Step 3: Cross multiply
140,961,950.70x = 211,442,926.05 × 102,698,198.70 - Step 4: Simplify right side
140,961,950.70x = 21,714,807,633,192,308 - Step 5: Solve for x
x = 21,714,807,633,192,308/140,961,950.70 - Step 6: Final answer
x = 154,047,298.05
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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.