Finding the Fourth Proportional to 273,486,566.80, 410,130,317.40 and 137,126,630.80
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Solution
The fourth proportional to 273,486,566.80, 410,130,317.40 and 137,126,630.80 is: 205,640,040.28
Step by Step Solution
- Step 1: Write the proportion equation
273,486,566.80 : 410,130,317.40 = 137,126,630.80 : x - Step 2: Convert to fraction form
273,486,566.80/410,130,317.40 = 137,126,630.80/x - Step 3: Cross multiply
273,486,566.80x = 410,130,317.40 × 137,126,630.80 - Step 4: Simplify right side
273,486,566.80x = 56,239,788,613,996,616 - Step 5: Solve for x
x = 56,239,788,613,996,616/273,486,566.80 - Step 6: Final answer
x = 205,640,040.28
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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.