Finding the Fourth Proportional to 77,998,209.04, 107,636,203.60 and 43,190,152.14
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Solution
The fourth proportional to 77,998,209.04, 107,636,203.60 and 43,190,152.14 is: 59,601,676.33
Step by Step Solution
- Step 1: Write the proportion equation
77,998,209.04 : 107,636,203.60 = 43,190,152.14 : x - Step 2: Convert to fraction form
77,998,209.04/107,636,203.60 = 43,190,152.14/x - Step 3: Cross multiply
77,998,209.04x = 107,636,203.60 × 43,190,152.14 - Step 4: Simplify right side
77,998,209.04x = 4,648,824,009,256,016 - Step 5: Solve for x
x = 4,648,824,009,256,016/77,998,209.04 - Step 6: Final answer
x = 59,601,676.33
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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.