Finding the Fourth Proportional to 165,888,220.40, 248,832,330.60 and 93,328,809.20
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Solution
The fourth proportional to 165,888,220.40, 248,832,330.60 and 93,328,809.20 is: 139,993,213.80
Step by Step Solution
- Step 1: Write the proportion equation
165,888,220.40 : 248,832,330.60 = 93,328,809.20 : x - Step 2: Convert to fraction form
165,888,220.40/248,832,330.60 = 93,328,809.20/x - Step 3: Cross multiply
165,888,220.40x = 248,832,330.60 × 93,328,809.20 - Step 4: Simplify right side
165,888,220.40x = 23,223,225,105,358,720 - Step 5: Solve for x
x = 23,223,225,105,358,720/165,888,220.40 - Step 6: Final answer
x = 139,993,213.80
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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.