Finding the Fourth Proportional to 290,726,352.08, 436,037,749.56 and 115,834,728.56
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Solution
The fourth proportional to 290,726,352.08, 436,037,749.56 and 115,834,728.56 is: 173,731,462.60
Step by Step Solution
- Step 1: Write the proportion equation
290,726,352.08 : 436,037,749.56 = 115,834,728.56 : x - Step 2: Convert to fraction form
290,726,352.08/436,037,749.56 = 115,834,728.56/x - Step 3: Cross multiply
290,726,352.08x = 436,037,749.56 × 115,834,728.56 - Step 4: Simplify right side
290,726,352.08x = 50,508,314,362,195,864 - Step 5: Solve for x
x = 50,508,314,362,195,864/290,726,352.08 - Step 6: Final answer
x = 173,731,462.60
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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.