Finding the Fourth Proportional to 134,293,567.20, 201,490,117.20 and 43,420,120.80
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Solution
The fourth proportional to 134,293,567.20, 201,490,117.20 and 43,420,120.80 is: 65,146,271.79
Step by Step Solution
- Step 1: Write the proportion equation
134,293,567.20 : 201,490,117.20 = 43,420,120.80 : x - Step 2: Convert to fraction form
134,293,567.20/201,490,117.20 = 43,420,120.80/x - Step 3: Cross multiply
134,293,567.20x = 201,490,117.20 × 43,420,120.80 - Step 4: Simplify right side
134,293,567.20x = 8,748,725,228,830,157 - Step 5: Solve for x
x = 8,748,725,228,830,157/134,293,567.20 - Step 6: Final answer
x = 65,146,271.79
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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.