Finding the Fourth Proportional to 118,341,029.70, 177,511,544.55 and 69,842,117.70
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Solution
The fourth proportional to 118,341,029.70, 177,511,544.55 and 69,842,117.70 is: 104,763,176.55
Step by Step Solution
- Step 1: Write the proportion equation
118,341,029.70 : 177,511,544.55 = 69,842,117.70 : x - Step 2: Convert to fraction form
118,341,029.70/177,511,544.55 = 69,842,117.70/x - Step 3: Cross multiply
118,341,029.70x = 177,511,544.55 × 69,842,117.70 - Step 4: Simplify right side
118,341,029.70x = 12,397,782,187,569,894 - Step 5: Solve for x
x = 12,397,782,187,569,894/118,341,029.70 - Step 6: Final answer
x = 104,763,176.55
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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.