Finding the Fourth Proportional to 93,975,414.30, 140,963,121.45 and 68,466,246.30
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Solution
The fourth proportional to 93,975,414.30, 140,963,121.45 and 68,466,246.30 is: 102,699,369.45
Step by Step Solution
- Step 1: Write the proportion equation
93,975,414.30 : 140,963,121.45 = 68,466,246.30 : x - Step 2: Convert to fraction form
93,975,414.30/140,963,121.45 = 68,466,246.30/x - Step 3: Cross multiply
93,975,414.30x = 140,963,121.45 × 68,466,246.30 - Step 4: Simplify right side
93,975,414.30x = 9,651,215,792,412,512 - Step 5: Solve for x
x = 9,651,215,792,412,512/93,975,414.30 - Step 6: Final answer
x = 102,699,369.45
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1.5x scale
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.