Finding the Fourth Proportional to 177,412,445.90, 266,118,668.85 and 129,636,701.90
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Solution
The fourth proportional to 177,412,445.90, 266,118,668.85 and 129,636,701.90 is: 194,455,052.85
Step by Step Solution
- Step 1: Write the proportion equation
177,412,445.90 : 266,118,668.85 = 129,636,701.90 : x - Step 2: Convert to fraction form
177,412,445.90/266,118,668.85 = 129,636,701.90/x - Step 3: Cross multiply
177,412,445.90x = 266,118,668.85 × 129,636,701.90 - Step 4: Simplify right side
177,412,445.90x = 34,498,746,543,732,268 - Step 5: Solve for x
x = 34,498,746,543,732,268/177,412,445.90 - Step 6: Final answer
x = 194,455,052.85
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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.