Finding the Fourth Proportional to 177,392,367.20, 266,138,317.20 and 86,518,920.80
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Solution
The fourth proportional to 177,392,367.20, 266,138,317.20 and 86,518,920.80 is: 129,802,653.58
Step by Step Solution
- Step 1: Write the proportion equation
177,392,367.20 : 266,138,317.20 = 86,518,920.80 : x - Step 2: Convert to fraction form
177,392,367.20/266,138,317.20 = 86,518,920.80/x - Step 3: Cross multiply
177,392,367.20x = 266,138,317.20 × 86,518,920.80 - Step 4: Simplify right side
177,392,367.20x = 23,025,999,987,672,076 - Step 5: Solve for x
x = 23,025,999,987,672,076/177,392,367.20 - Step 6: Final answer
x = 129,802,653.58
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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.