Finding the Fourth Proportional to 118,569,080.70, 177,853,621.05 and 98,413,688.70
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Solution
The fourth proportional to 118,569,080.70, 177,853,621.05 and 98,413,688.70 is: 147,620,533.05
Step by Step Solution
- Step 1: Write the proportion equation
118,569,080.70 : 177,853,621.05 = 98,413,688.70 : x - Step 2: Convert to fraction form
118,569,080.70/177,853,621.05 = 98,413,688.70/x - Step 3: Cross multiply
118,569,080.70x = 177,853,621.05 × 98,413,688.70 - Step 4: Simplify right side
118,569,080.70x = 17,503,230,896,182,468 - Step 5: Solve for x
x = 17,503,230,896,182,468/118,569,080.70 - Step 6: Final answer
x = 147,620,533.05
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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.