Finding the Fourth Proportional to 192,755,919.87, 288,888,235.97 and 90,294,095.07
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Solution
The fourth proportional to 192,755,919.87, 288,888,235.97 and 90,294,095.07 is: 135,326,073.83
Step by Step Solution
- Step 1: Write the proportion equation
192,755,919.87 : 288,888,235.97 = 90,294,095.07 : x - Step 2: Convert to fraction form
192,755,919.87/288,888,235.97 = 90,294,095.07/x - Step 3: Cross multiply
192,755,919.87x = 288,888,235.97 × 90,294,095.07 - Step 4: Simplify right side
192,755,919.87x = 26,084,901,842,828,300 - Step 5: Solve for x
x = 26,084,901,842,828,300/192,755,919.87 - Step 6: Final answer
x = 135,326,073.83
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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.