Finding the Fourth Proportional to 102,269,201.68, 141,130,657.52 and 55,859,487.04
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Solution
The fourth proportional to 102,269,201.68, 141,130,657.52 and 55,859,487.04 is: 77,085,632.87
Step by Step Solution
- Step 1: Write the proportion equation
102,269,201.68 : 141,130,657.52 = 55,859,487.04 : x - Step 2: Convert to fraction form
102,269,201.68/141,130,657.52 = 55,859,487.04/x - Step 3: Cross multiply
102,269,201.68x = 141,130,657.52 × 55,859,487.04 - Step 4: Simplify right side
102,269,201.68x = 7,883,486,134,685,119 - Step 5: Solve for x
x = 7,883,486,134,685,119/102,269,201.68 - Step 6: Final answer
x = 77,085,632.87
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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.