Finding the Fourth Proportional to 97,830,027.93, 135,007,115.84 and 53,778,883.44
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Solution
The fourth proportional to 97,830,027.93, 135,007,115.84 and 53,778,883.44 is: 74,215,781.19
Step by Step Solution
- Step 1: Write the proportion equation
97,830,027.93 : 135,007,115.84 = 53,778,883.44 : x - Step 2: Convert to fraction form
97,830,027.93/135,007,115.84 = 53,778,883.44/x - Step 3: Cross multiply
97,830,027.93x = 135,007,115.84 × 53,778,883.44 - Step 4: Simplify right side
97,830,027.93x = 7,260,531,946,464,385 - Step 5: Solve for x
x = 7,260,531,946,464,385/97,830,027.93 - Step 6: Final answer
x = 74,215,781.19
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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.