Finding the Fourth Proportional to 207,447,821.44, 286,294,319.68 and 118,143,534.64
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Solution
The fourth proportional to 207,447,821.44, 286,294,319.68 and 118,143,534.64 is: 163,047,375.67
Step by Step Solution
- Step 1: Write the proportion equation
207,447,821.44 : 286,294,319.68 = 118,143,534.64 : x - Step 2: Convert to fraction form
207,447,821.44/286,294,319.68 = 118,143,534.64/x - Step 3: Cross multiply
207,447,821.44x = 286,294,319.68 × 118,143,534.64 - Step 4: Simplify right side
207,447,821.44x = 33,823,822,874,349,316 - Step 5: Solve for x
x = 33,823,822,874,349,316/207,447,821.44 - Step 6: Final answer
x = 163,047,375.67
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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.