Finding the Fourth Proportional to 83,014,946.80, 124,522,420.20 and 44,751,194.80
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Solution
The fourth proportional to 83,014,946.80, 124,522,420.20 and 44,751,194.80 is: 67,126,792.20
Step by Step Solution
- Step 1: Write the proportion equation
83,014,946.80 : 124,522,420.20 = 44,751,194.80 : x - Step 2: Convert to fraction form
83,014,946.80/124,522,420.20 = 44,751,194.80/x - Step 3: Cross multiply
83,014,946.80x = 124,522,420.20 × 44,751,194.80 - Step 4: Simplify right side
83,014,946.80x = 5,572,527,083,337,655 - Step 5: Solve for x
x = 5,572,527,083,337,655/83,014,946.80 - Step 6: Final answer
x = 67,126,792.20
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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.