Finding the Fourth Proportional to 98,349,151.68, 135,719,671.77 and 53,693,596.94
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Solution
The fourth proportional to 98,349,151.68, 135,719,671.77 and 53,693,596.94 is: 74,095,985.86
Step by Step Solution
- Step 1: Write the proportion equation
98,349,151.68 : 135,719,671.77 = 53,693,596.94 : x - Step 2: Convert to fraction form
98,349,151.68/135,719,671.77 = 53,693,596.94/x - Step 3: Cross multiply
98,349,151.68x = 135,719,671.77 × 53,693,596.94 - Step 4: Simplify right side
98,349,151.68x = 7,287,277,352,168,879 - Step 5: Solve for x
x = 7,287,277,352,168,879/98,349,151.68 - Step 6: Final answer
x = 74,095,985.86
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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.