Finding the Fourth Proportional to 98,349,152.68, 135,719,673.15 and 53,693,597.94
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Solution
The fourth proportional to 98,349,152.68, 135,719,673.15 and 53,693,597.94 is: 74,095,987.25
Step by Step Solution
- Step 1: Write the proportion equation
98,349,152.68 : 135,719,673.15 = 53,693,597.94 : x - Step 2: Convert to fraction form
98,349,152.68/135,719,673.15 = 53,693,597.94/x - Step 3: Cross multiply
98,349,152.68x = 135,719,673.15 × 53,693,597.94 - Step 4: Simplify right side
98,349,152.68x = 7,287,277,562,664,313 - Step 5: Solve for x
x = 7,287,277,562,664,313/98,349,152.68 - Step 6: Final answer
x = 74,095,987.25
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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.