Finding the Fourth Proportional to 87,050,490.74, 120,129,673.25 and 47,891,427.41
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Solution
The fourth proportional to 87,050,490.74, 120,129,673.25 and 47,891,427.41 is: 66,090,167.65
Step by Step Solution
- Step 1: Write the proportion equation
87,050,490.74 : 120,129,673.25 = 47,891,427.41 : x - Step 2: Convert to fraction form
87,050,490.74/120,129,673.25 = 47,891,427.41/x - Step 3: Cross multiply
87,050,490.74x = 120,129,673.25 × 47,891,427.41 - Step 4: Simplify right side
87,050,490.74x = 5,753,181,526,300,261 - Step 5: Solve for x
x = 5,753,181,526,300,261/87,050,490.74 - Step 6: Final answer
x = 66,090,167.65
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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.