Finding the Fourth Proportional to 97,988,884.42, 135,223,587.39 and 53,934,941.38
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Solution
The fourth proportional to 97,988,884.42, 135,223,587.39 and 53,934,941.38 is: 74,429,628.44
Step by Step Solution
- Step 1: Write the proportion equation
97,988,884.42 : 135,223,587.39 = 53,934,941.38 : x - Step 2: Convert to fraction form
97,988,884.42/135,223,587.39 = 53,934,941.38/x - Step 3: Cross multiply
97,988,884.42x = 135,223,587.39 × 53,934,941.38 - Step 4: Simplify right side
97,988,884.42x = 7,293,276,259,072,957 - Step 5: Solve for x
x = 7,293,276,259,072,957/97,988,884.42 - Step 6: Final answer
x = 74,429,628.44
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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.