Finding the Fourth Proportional to 98,584,685.78, 135,334,456.17 and 84,621,800.07
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Solution
The fourth proportional to 98,584,685.78, 135,334,456.17 and 84,621,800.07 is: 116,166,574.98
Step by Step Solution
- Step 1: Write the proportion equation
98,584,685.78 : 135,334,456.17 = 84,621,800.07 : x - Step 2: Convert to fraction form
98,584,685.78/135,334,456.17 = 84,621,800.07/x - Step 3: Cross multiply
98,584,685.78x = 135,334,456.17 × 84,621,800.07 - Step 4: Simplify right side
98,584,685.78x = 11,452,245,292,599,916 - Step 5: Solve for x
x = 11,452,245,292,599,916/98,584,685.78 - Step 6: Final answer
x = 116,166,574.98
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.