Finding the Fourth Proportional to 270,878,121.07, 373,799,297.21 and 153,404,292.17
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Solution
The fourth proportional to 270,878,121.07, 373,799,297.21 and 153,404,292.17 is: 211,690,838.58
Step by Step Solution
- Step 1: Write the proportion equation
270,878,121.07 : 373,799,297.21 = 153,404,292.17 : x - Step 2: Convert to fraction form
270,878,121.07/373,799,297.21 = 153,404,292.17/x - Step 3: Cross multiply
270,878,121.07x = 373,799,297.21 × 153,404,292.17 - Step 4: Simplify right side
270,878,121.07x = 57,342,416,602,310,984 - Step 5: Solve for x
x = 57,342,416,602,310,984/270,878,121.07 - Step 6: Final answer
x = 211,690,838.58
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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.