Finding the Fourth Proportional to 134,784,008.80, 202,176,013.20 and 112,389,128.80
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Solution
The fourth proportional to 134,784,008.80, 202,176,013.20 and 112,389,128.80 is: 168,583,693.20
Step by Step Solution
- Step 1: Write the proportion equation
134,784,008.80 : 202,176,013.20 = 112,389,128.80 : x - Step 2: Convert to fraction form
134,784,008.80/202,176,013.20 = 112,389,128.80/x - Step 3: Cross multiply
134,784,008.80x = 202,176,013.20 × 112,389,128.80 - Step 4: Simplify right side
134,784,008.80x = 22,722,385,987,805,300 - Step 5: Solve for x
x = 22,722,385,987,805,300/134,784,008.80 - Step 6: Final answer
x = 168,583,693.20
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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.