Finding the Fourth Proportional to 97,988,877.23, 135,223,577.48 and 53,934,934.19
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Solution
The fourth proportional to 97,988,877.23, 135,223,577.48 and 53,934,934.19 is: 74,429,618.53
Step by Step Solution
- Step 1: Write the proportion equation
97,988,877.23 : 135,223,577.48 = 53,934,934.19 : x - Step 2: Convert to fraction form
97,988,877.23/135,223,577.48 = 53,934,934.19/x - Step 3: Cross multiply
97,988,877.23x = 135,223,577.48 × 53,934,934.19 - Step 4: Simplify right side
97,988,877.23x = 7,293,274,751,778,885 - Step 5: Solve for x
x = 7,293,274,751,778,885/97,988,877.23 - Step 6: Final answer
x = 74,429,618.53
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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.