Finding the Fourth Proportional to 98,340,592.94, 135,706,461.46 and 54,286,646.26
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Solution
The fourth proportional to 98,340,592.94, 135,706,461.46 and 54,286,646.26 is: 74,913,608.39
Step by Step Solution
- Step 1: Write the proportion equation
98,340,592.94 : 135,706,461.46 = 54,286,646.26 : x - Step 2: Convert to fraction form
98,340,592.94/135,706,461.46 = 54,286,646.26/x - Step 3: Cross multiply
98,340,592.94x = 135,706,461.46 × 54,286,646.26 - Step 4: Simplify right side
98,340,592.94x = 7,367,048,668,475,343 - Step 5: Solve for x
x = 7,367,048,668,475,343/98,340,592.94 - Step 6: Final answer
x = 74,913,608.39
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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.