Finding the Fourth Proportional to 172,465,366.05, 258,698,049.08 and 155,459,254.05
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Solution
The fourth proportional to 172,465,366.05, 258,698,049.08 and 155,459,254.05 is: 233,188,881.08
Step by Step Solution
- Step 1: Write the proportion equation
172,465,366.05 : 258,698,049.08 = 155,459,254.05 : x - Step 2: Convert to fraction form
172,465,366.05/258,698,049.08 = 155,459,254.05/x - Step 3: Cross multiply
172,465,366.05x = 258,698,049.08 × 155,459,254.05 - Step 4: Simplify right side
172,465,366.05x = 40,217,005,733,389,792 - Step 5: Solve for x
x = 40,217,005,733,389,792/172,465,366.05 - Step 6: Final answer
x = 233,188,881.08
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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.