Finding the Fourth Proportional to 234,734,145.60, 352,366,639.20 and 139,049,947.20
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Solution
The fourth proportional to 234,734,145.60, 352,366,639.20 and 139,049,947.20 is: 208,732,148.66
Step by Step Solution
- Step 1: Write the proportion equation
234,734,145.60 : 352,366,639.20 = 139,049,947.20 : x - Step 2: Convert to fraction form
234,734,145.60/352,366,639.20 = 139,049,947.20/x - Step 3: Cross multiply
234,734,145.60x = 352,366,639.20 × 139,049,947.20 - Step 4: Simplify right side
234,734,145.60x = 48,996,562,575,801,448 - Step 5: Solve for x
x = 48,996,562,575,801,448/234,734,145.60 - Step 6: Final answer
x = 208,732,148.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.