Finding the Fourth Proportional to 173,765,122.70, 260,742,162.45 and 71,539,493.90
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Solution
The fourth proportional to 173,765,122.70, 260,742,162.45 and 71,539,493.90 is: 107,348,137.82
Step by Step Solution
- Step 1: Write the proportion equation
173,765,122.70 : 260,742,162.45 = 71,539,493.90 : x - Step 2: Convert to fraction form
173,765,122.70/260,742,162.45 = 71,539,493.90/x - Step 3: Cross multiply
173,765,122.70x = 260,742,162.45 × 71,539,493.90 - Step 4: Simplify right side
173,765,122.70x = 18,653,362,340,064,584 - Step 5: Solve for x
x = 18,653,362,340,064,584/173,765,122.70 - Step 6: Final answer
x = 107,348,137.82
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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.