Finding the Fourth Proportional to 98,106,603,853.20, 135,412,303,418.16 and 63,897,556,278
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Solution
The fourth proportional to 98,106,603,853.20, 135,412,303,418.16 and 63,897,556,278 is: 88,195,034,162.46
Step by Step Solution
- Step 1: Write the proportion equation
98,106,603,853.20 : 135,412,303,418.16 = 63,897,556,278 : x - Step 2: Convert to fraction form
98,106,603,853.20/135,412,303,418.16 = 63,897,556,278/x - Step 3: Cross multiply
98,106,603,853.20x = 135,412,303,418.16 × 63,897,556,278 - Step 4: Simplify right side
98,106,603,853.20x = 8,652,515,278,395,490,172,928 - Step 5: Solve for x
x = 8,652,515,278,395,490,172,928/98,106,603,853.20 - Step 6: Final answer
x = 88,195,034,162.46
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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.