Finding the Fourth Proportional to 134,316,014.20, 201,474,021.30 and 105,090,695.80
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Solution
The fourth proportional to 134,316,014.20, 201,474,021.30 and 105,090,695.80 is: 157,636,043.70
Step by Step Solution
- Step 1: Write the proportion equation
134,316,014.20 : 201,474,021.30 = 105,090,695.80 : x - Step 2: Convert to fraction form
134,316,014.20/201,474,021.30 = 105,090,695.80/x - Step 3: Cross multiply
134,316,014.20x = 201,474,021.30 × 105,090,695.80 - Step 4: Simplify right side
134,316,014.20x = 21,173,045,084,041,020 - Step 5: Solve for x
x = 21,173,045,084,041,020/134,316,014.20 - Step 6: Final answer
x = 157,636,043.70
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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.