Finding the Fourth Proportional to 83,470,511.70, 125,205,767.55 and 22,059,551.70
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Solution
The fourth proportional to 83,470,511.70, 125,205,767.55 and 22,059,551.70 is: 33,089,327.55
Step by Step Solution
- Step 1: Write the proportion equation
83,470,511.70 : 125,205,767.55 = 22,059,551.70 : x - Step 2: Convert to fraction form
83,470,511.70/125,205,767.55 = 22,059,551.70/x - Step 3: Cross multiply
83,470,511.70x = 125,205,767.55 × 22,059,551.70 - Step 4: Simplify right side
83,470,511.70x = 2,761,983,102,407,407 - Step 5: Solve for x
x = 2,761,983,102,407,407/83,470,511.70 - Step 6: Final answer
x = 33,089,327.55
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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.