Finding the Fourth Proportional to 177,853,295.80, 266,779,943.70 and 147,620,207.80
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Solution
The fourth proportional to 177,853,295.80, 266,779,943.70 and 147,620,207.80 is: 221,430,311.70
Step by Step Solution
- Step 1: Write the proportion equation
177,853,295.80 : 266,779,943.70 = 147,620,207.80 : x - Step 2: Convert to fraction form
177,853,295.80/266,779,943.70 = 147,620,207.80/x - Step 3: Cross multiply
177,853,295.80x = 266,779,943.70 × 147,620,207.80 - Step 4: Simplify right side
177,853,295.80x = 39,382,110,725,866,304 - Step 5: Solve for x
x = 39,382,110,725,866,304/177,853,295.80 - Step 6: Final answer
x = 221,430,311.70
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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.