Finding the Fourth Proportional to 118,339,741.87, 177,549,470.57 and 74,569,670.62
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Solution
The fourth proportional to 118,339,741.87, 177,549,470.57 and 74,569,670.62 is: 111,879,621.59
Step by Step Solution
- Step 1: Write the proportion equation
118,339,741.87 : 177,549,470.57 = 74,569,670.62 : x - Step 2: Convert to fraction form
118,339,741.87/177,549,470.57 = 74,569,670.62/x - Step 3: Cross multiply
118,339,741.87x = 177,549,470.57 × 74,569,670.62 - Step 4: Simplify right side
118,339,741.87x = 13,239,805,538,902,834 - Step 5: Solve for x
x = 13,239,805,538,902,834/118,339,741.87 - Step 6: Final answer
x = 111,879,621.59
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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.