Finding the Fourth Proportional to 118,319,964.60, 177,479,946.90 and 98,413,404.60
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Solution
The fourth proportional to 118,319,964.60, 177,479,946.90 and 98,413,404.60 is: 147,620,106.90
Step by Step Solution
- Step 1: Write the proportion equation
118,319,964.60 : 177,479,946.90 = 98,413,404.60 : x - Step 2: Convert to fraction form
118,319,964.60/177,479,946.90 = 98,413,404.60/x - Step 3: Cross multiply
118,319,964.60x = 177,479,946.90 × 98,413,404.60 - Step 4: Simplify right side
118,319,964.60x = 17,466,405,822,656,216 - Step 5: Solve for x
x = 17,466,405,822,656,216/118,319,964.60 - Step 6: Final answer
x = 147,620,106.90
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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.