Finding the Fourth Proportional to 69,485,680.68, 104,160,742.20 and 33,084,290.40
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Solution
The fourth proportional to 69,485,680.68, 104,160,742.20 and 33,084,290.40 is: 49,594,164.00
Step by Step Solution
- Step 1: Write the proportion equation
69,485,680.68 : 104,160,742.20 = 33,084,290.40 : x - Step 2: Convert to fraction form
69,485,680.68/104,160,742.20 = 33,084,290.40/x - Step 3: Cross multiply
69,485,680.68x = 104,160,742.20 × 33,084,290.40 - Step 4: Simplify right side
69,485,680.68x = 3,446,084,243,224,335 - Step 5: Solve for x
x = 3,446,084,243,224,335/69,485,680.68 - Step 6: Final answer
x = 49,594,164.00
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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.