Finding the Fourth Proportional to 88,778,315,299.07, 122,615,199,722.36 and 60,182,324,730.38
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Solution
The fourth proportional to 88,778,315,299.07, 122,615,199,722.36 and 60,182,324,730.38 is: 83,120,159,936.72
Step by Step Solution
- Step 1: Write the proportion equation
88,778,315,299.07 : 122,615,199,722.36 = 60,182,324,730.38 : x - Step 2: Convert to fraction form
88,778,315,299.07/122,615,199,722.36 = 60,182,324,730.38/x - Step 3: Cross multiply
88,778,315,299.07x = 122,615,199,722.36 × 60,182,324,730.38 - Step 4: Simplify right side
88,778,315,299.07x = 7,379,267,766,570,855,694,336 - Step 5: Solve for x
x = 7,379,267,766,570,855,694,336/88,778,315,299.07 - Step 6: Final answer
x = 83,120,159,936.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.