Finding the Fourth Proportional to 188,976,420.36, 283,403,354.85 and 72,385,572.33
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Solution
The fourth proportional to 188,976,420.36, 283,403,354.85 and 72,385,572.33 is: 108,554,887.44
Step by Step Solution
- Step 1: Write the proportion equation
188,976,420.36 : 283,403,354.85 = 72,385,572.33 : x - Step 2: Convert to fraction form
188,976,420.36/283,403,354.85 = 72,385,572.33/x - Step 3: Cross multiply
188,976,420.36x = 283,403,354.85 × 72,385,572.33 - Step 4: Simplify right side
188,976,420.36x = 20,514,314,041,059,332 - Step 5: Solve for x
x = 20,514,314,041,059,332/188,976,420.36 - Step 6: Final answer
x = 108,554,887.44
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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.