Finding the Fourth Proportional to 147,559,020.08, 203,649,401.49 and 85,679,358.44
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Solution
The fourth proportional to 147,559,020.08, 203,649,401.49 and 85,679,358.44 is: 118,247,939.41
Step by Step Solution
- Step 1: Write the proportion equation
147,559,020.08 : 203,649,401.49 = 85,679,358.44 : x - Step 2: Convert to fraction form
147,559,020.08/203,649,401.49 = 85,679,358.44/x - Step 3: Cross multiply
147,559,020.08x = 203,649,401.49 × 85,679,358.44 - Step 4: Simplify right side
147,559,020.08x = 17,448,550,066,353,180 - Step 5: Solve for x
x = 17,448,550,066,353,180/147,559,020.08 - Step 6: Final answer
x = 118,247,939.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.