Finding the Fourth Proportional to 173,765,123.70, 260,742,163.95 and 71,539,494.90
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Solution
The fourth proportional to 173,765,123.70, 260,742,163.95 and 71,539,494.90 is: 107,348,139.32
Step by Step Solution
- Step 1: Write the proportion equation
173,765,123.70 : 260,742,163.95 = 71,539,494.90 : x - Step 2: Convert to fraction form
173,765,123.70/260,742,163.95 = 71,539,494.90/x - Step 3: Cross multiply
173,765,123.70x = 260,742,163.95 × 71,539,494.90 - Step 4: Simplify right side
173,765,123.70x = 18,653,362,708,115,988 - Step 5: Solve for x
x = 18,653,362,708,115,988/173,765,123.70 - Step 6: Final answer
x = 107,348,139.32
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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.