Finding the Fourth Proportional to 119,876,858.36, 179,742,472.56 and 47,006,339.12
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Solution
The fourth proportional to 119,876,858.36, 179,742,472.56 and 47,006,339.12 is: 70,480,956.33
Step by Step Solution
- Step 1: Write the proportion equation
119,876,858.36 : 179,742,472.56 = 47,006,339.12 : x - Step 2: Convert to fraction form
119,876,858.36/179,742,472.56 = 47,006,339.12/x - Step 3: Cross multiply
119,876,858.36x = 179,742,472.56 × 47,006,339.12 - Step 4: Simplify right side
119,876,858.36x = 8,449,035,619,422,654 - Step 5: Solve for x
x = 8,449,035,619,422,654/119,876,858.36 - Step 6: Final answer
x = 70,480,956.33
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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.