Finding the Fourth Proportional to 85,850,273.35, 128,828,377.82 and 39,783,555.84
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Solution
The fourth proportional to 85,850,273.35, 128,828,377.82 and 39,783,555.84 is: 59,699,879.36
Step by Step Solution
- Step 1: Write the proportion equation
85,850,273.35 : 128,828,377.82 = 39,783,555.84 : x - Step 2: Convert to fraction form
85,850,273.35/128,828,377.82 = 39,783,555.84/x - Step 3: Cross multiply
85,850,273.35x = 128,828,377.82 × 39,783,555.84 - Step 4: Simplify right side
85,850,273.35x = 5,125,250,962,034,987 - Step 5: Solve for x
x = 5,125,250,962,034,987/85,850,273.35 - Step 6: Final answer
x = 59,699,879.36
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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.