Finding the Fourth Proportional to 70,342,758.81, 97,078,392.42 and 44,259,634.53
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Solution
The fourth proportional to 70,342,758.81, 97,078,392.42 and 44,259,634.53 is: 61,081,684.06
Step by Step Solution
- Step 1: Write the proportion equation
70,342,758.81 : 97,078,392.42 = 44,259,634.53 : x - Step 2: Convert to fraction form
70,342,758.81/97,078,392.42 = 44,259,634.53/x - Step 3: Cross multiply
70,342,758.81x = 97,078,392.42 × 44,259,634.53 - Step 4: Simplify right side
70,342,758.81x = 4,296,654,169,269,122.50 - Step 5: Solve for x
x = 4,296,654,169,269,122.50/70,342,758.81 - Step 6: Final answer
x = 61,081,684.06
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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.