Finding the Fourth Proportional to 125,641,972.20, 173,396,392.83 and 69,897,893.70
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Solution
The fourth proportional to 125,641,972.20, 173,396,392.83 and 69,897,893.70 is: 96,464,918.70
Step by Step Solution
- Step 1: Write the proportion equation
125,641,972.20 : 173,396,392.83 = 69,897,893.70 : x - Step 2: Convert to fraction form
125,641,972.20/173,396,392.83 = 69,897,893.70/x - Step 3: Cross multiply
125,641,972.20x = 173,396,392.83 × 69,897,893.70 - Step 4: Simplify right side
125,641,972.20x = 12,120,042,633,994,784 - Step 5: Solve for x
x = 12,120,042,633,994,784/125,641,972.20 - Step 6: Final answer
x = 96,464,918.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.