Finding the Fourth Proportional to 195,513,361.08, 269,778,445.56 and 112,991,209.08
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Solution
The fourth proportional to 195,513,361.08, 269,778,445.56 and 112,991,209.08 is: 155,910,535.11
Step by Step Solution
- Step 1: Write the proportion equation
195,513,361.08 : 269,778,445.56 = 112,991,209.08 : x - Step 2: Convert to fraction form
195,513,361.08/269,778,445.56 = 112,991,209.08/x - Step 3: Cross multiply
195,513,361.08x = 269,778,445.56 × 112,991,209.08 - Step 4: Simplify right side
195,513,361.08x = 30,482,592,747,547,356 - Step 5: Solve for x
x = 30,482,592,747,547,356/195,513,361.08 - Step 6: Final answer
x = 155,910,535.11
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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.